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Finding the Fourth Proportional to 425,252.82, 586,808.50 and 243,979.68

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Solution

The fourth proportional to 425,252.82, 586,808.50 and 243,979.68 is: 336,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,252.82 : 586,808.50 = 243,979.68 : x
  2. Step 2: Convert to fraction form
    425,252.82/586,808.50 = 243,979.68/x
  3. Step 3: Cross multiply
    425,252.82x = 586,808.50 × 243,979.68
  4. Step 4: Simplify right side
    425,252.82x = 143,169,350,051.28
  5. Step 5: Solve for x
    x = 143,169,350,051.28/425,252.82
  6. Step 6: Final answer
    x = 336,668.78

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1.5x scale

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.