Home / 438,205.52-657,380.91-153,822.30

Finding the Fourth Proportional to 438,205.52, 657,380.91 and 153,822.30

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Solution

The fourth proportional to 438,205.52, 657,380.91 and 153,822.30 is: 230,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,205.52 : 657,380.91 = 153,822.30 : x
  2. Step 2: Convert to fraction form
    438,205.52/657,380.91 = 153,822.30/x
  3. Step 3: Cross multiply
    438,205.52x = 657,380.91 × 153,822.30
  4. Step 4: Simplify right side
    438,205.52x = 101,119,843,552.29
  5. Step 5: Solve for x
    x = 101,119,843,552.29/438,205.52
  6. Step 6: Final answer
    x = 230,758.95

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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.