Home / 347,957.48-521,281.56-272,849.60

Finding the Fourth Proportional to 347,957.48, 521,281.56 and 272,849.60

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Solution

The fourth proportional to 347,957.48, 521,281.56 and 272,849.60 is: 408,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,957.48 : 521,281.56 = 272,849.60 : x
  2. Step 2: Convert to fraction form
    347,957.48/521,281.56 = 272,849.60/x
  3. Step 3: Cross multiply
    347,957.48x = 521,281.56 × 272,849.60
  4. Step 4: Simplify right side
    347,957.48x = 142,231,465,133.38
  5. Step 5: Solve for x
    x = 142,231,465,133.38/347,957.48
  6. Step 6: Final answer
    x = 408,761.05

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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.