Home / 438,439.31-657,702.17-182,219.03

Finding the Fourth Proportional to 438,439.31, 657,702.17 and 182,219.03

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Solution

The fourth proportional to 438,439.31, 657,702.17 and 182,219.03 is: 273,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,439.31 : 657,702.17 = 182,219.03 : x
  2. Step 2: Convert to fraction form
    438,439.31/657,702.17 = 182,219.03/x
  3. Step 3: Cross multiply
    438,439.31x = 657,702.17 × 182,219.03
  4. Step 4: Simplify right side
    438,439.31x = 119,845,847,246.69
  5. Step 5: Solve for x
    x = 119,845,847,246.69/438,439.31
  6. Step 6: Final answer
    x = 273,346.49

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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.