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Finding the Fourth Proportional to 572,851.25, 859,437.74 and 168,053.01

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Solution

The fourth proportional to 572,851.25, 859,437.74 and 168,053.01 is: 252,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,851.25 : 859,437.74 = 168,053.01 : x
  2. Step 2: Convert to fraction form
    572,851.25/859,437.74 = 168,053.01/x
  3. Step 3: Cross multiply
    572,851.25x = 859,437.74 × 168,053.01
  4. Step 4: Simplify right side
    572,851.25x = 144,431,098,801.57
  5. Step 5: Solve for x
    x = 144,431,098,801.57/572,851.25
  6. Step 6: Final answer
    x = 252,126.71

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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.