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Finding the Fourth Proportional to 525,701.80, 788,120.70 and 226,412.20

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Solution

The fourth proportional to 525,701.80, 788,120.70 and 226,412.20 is: 339,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,701.80 : 788,120.70 = 226,412.20 : x
  2. Step 2: Convert to fraction form
    525,701.80/788,120.70 = 226,412.20/x
  3. Step 3: Cross multiply
    525,701.80x = 788,120.70 × 226,412.20
  4. Step 4: Simplify right side
    525,701.80x = 178,440,141,552.54
  5. Step 5: Solve for x
    x = 178,440,141,552.54/525,701.80
  6. Step 6: Final answer
    x = 339,432.24

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Similar ratio
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1.5x scale

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.