Home / 331,637.33-497,455.98-82,319.33

Finding the Fourth Proportional to 331,637.33, 497,455.98 and 82,319.33

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Solution

The fourth proportional to 331,637.33, 497,455.98 and 82,319.33 is: 123,478.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,637.33 : 497,455.98 = 82,319.33 : x
  2. Step 2: Convert to fraction form
    331,637.33/497,455.98 = 82,319.33/x
  3. Step 3: Cross multiply
    331,637.33x = 497,455.98 × 82,319.33
  4. Step 4: Simplify right side
    331,637.33x = 40,950,240,490.81
  5. Step 5: Solve for x
    x = 40,950,240,490.81/331,637.33
  6. Step 6: Final answer
    x = 123,478.99

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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.