Home / 442,534.50-663,875.58-142,979.76

Finding the Fourth Proportional to 442,534.50, 663,875.58 and 142,979.76

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Solution

The fourth proportional to 442,534.50, 663,875.58 and 142,979.76 is: 214,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,534.50 : 663,875.58 = 142,979.76 : x
  2. Step 2: Convert to fraction form
    442,534.50/663,875.58 = 142,979.76/x
  3. Step 3: Cross multiply
    442,534.50x = 663,875.58 × 142,979.76
  4. Step 4: Simplify right side
    442,534.50x = 94,920,771,098.26
  5. Step 5: Solve for x
    x = 94,920,771,098.26/442,534.50
  6. Step 6: Final answer
    x = 214,493.49

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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.