Home / 292,612.04-438,918.07-82,249.98

Finding the Fourth Proportional to 292,612.04, 438,918.07 and 82,249.98

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Solution

The fourth proportional to 292,612.04, 438,918.07 and 82,249.98 is: 123,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,612.04 : 438,918.07 = 82,249.98 : x
  2. Step 2: Convert to fraction form
    292,612.04/438,918.07 = 82,249.98/x
  3. Step 3: Cross multiply
    292,612.04x = 438,918.07 × 82,249.98
  4. Step 4: Simplify right side
    292,612.04x = 36,101,002,479.14
  5. Step 5: Solve for x
    x = 36,101,002,479.14/292,612.04
  6. Step 6: Final answer
    x = 123,374.97

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Similar ratio
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1.5x scale

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.