Home / 347,947.48-521,266.56-272,839.60

Finding the Fourth Proportional to 347,947.48, 521,266.56 and 272,839.60

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Solution

The fourth proportional to 347,947.48, 521,266.56 and 272,839.60 is: 408,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,947.48 : 521,266.56 = 272,839.60 : x
  2. Step 2: Convert to fraction form
    347,947.48/521,266.56 = 272,839.60/x
  3. Step 3: Cross multiply
    347,947.48x = 521,266.56 × 272,839.60
  4. Step 4: Simplify right side
    347,947.48x = 142,222,159,723.78
  5. Step 5: Solve for x
    x = 142,222,159,723.78/347,947.48
  6. Step 6: Final answer
    x = 408,746.05

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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.