Home / 308,214.18-425,327.13-172,248.72

Finding the Fourth Proportional to 308,214.18, 425,327.13 and 172,248.72

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Solution

The fourth proportional to 308,214.18, 425,327.13 and 172,248.72 is: 237,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,214.18 : 425,327.13 = 172,248.72 : x
  2. Step 2: Convert to fraction form
    308,214.18/425,327.13 = 172,248.72/x
  3. Step 3: Cross multiply
    308,214.18x = 425,327.13 × 172,248.72
  4. Step 4: Simplify right side
    308,214.18x = 73,262,053,723.77
  5. Step 5: Solve for x
    x = 73,262,053,723.77/308,214.18
  6. Step 6: Final answer
    x = 237,698.52

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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.