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Finding the Fourth Proportional to 342,801.87, 473,010.33 and 215,387.25

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Solution

The fourth proportional to 342,801.87, 473,010.33 and 215,387.25 is: 297,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,801.87 : 473,010.33 = 215,387.25 : x
  2. Step 2: Convert to fraction form
    342,801.87/473,010.33 = 215,387.25/x
  3. Step 3: Cross multiply
    342,801.87x = 473,010.33 × 215,387.25
  4. Step 4: Simplify right side
    342,801.87x = 101,880,394,200.29
  5. Step 5: Solve for x
    x = 101,880,394,200.29/342,801.87
  6. Step 6: Final answer
    x = 297,199.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.