Home / 382,621.52-527,875.08-239,327.12

Finding the Fourth Proportional to 382,621.52, 527,875.08 and 239,327.12

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Solution

The fourth proportional to 382,621.52, 527,875.08 and 239,327.12 is: 330,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,621.52 : 527,875.08 = 239,327.12 : x
  2. Step 2: Convert to fraction form
    382,621.52/527,875.08 = 239,327.12/x
  3. Step 3: Cross multiply
    382,621.52x = 527,875.08 × 239,327.12
  4. Step 4: Simplify right side
    382,621.52x = 126,334,822,616.17
  5. Step 5: Solve for x
    x = 126,334,822,616.17/382,621.52
  6. Step 6: Final answer
    x = 330,182.22

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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.