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Finding the Fourth Proportional to 573,043.80, 859,565.70 and 152,362.20

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Solution

The fourth proportional to 573,043.80, 859,565.70 and 152,362.20 is: 228,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,043.80 : 859,565.70 = 152,362.20 : x
  2. Step 2: Convert to fraction form
    573,043.80/859,565.70 = 152,362.20/x
  3. Step 3: Cross multiply
    573,043.80x = 859,565.70 × 152,362.20
  4. Step 4: Simplify right side
    573,043.80x = 130,965,321,096.54
  5. Step 5: Solve for x
    x = 130,965,321,096.54/573,043.80
  6. Step 6: Final answer
    x = 228,543.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.