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Finding the Fourth Proportional to 560,488.50, 840,577.08 and 155,587.63

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Solution

The fourth proportional to 560,488.50, 840,577.08 and 155,587.63 is: 233,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,488.50 : 840,577.08 = 155,587.63 : x
  2. Step 2: Convert to fraction form
    560,488.50/840,577.08 = 155,587.63/x
  3. Step 3: Cross multiply
    560,488.50x = 840,577.08 × 155,587.63
  4. Step 4: Simplify right side
    560,488.50x = 130,783,390,728.70
  5. Step 5: Solve for x
    x = 130,783,390,728.70/560,488.50
  6. Step 6: Final answer
    x = 233,338.22

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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.