Home / 282,932.68-424,585.98-133,215.78

Finding the Fourth Proportional to 282,932.68, 424,585.98 and 133,215.78

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Solution

The fourth proportional to 282,932.68, 424,585.98 and 133,215.78 is: 199,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,932.68 : 424,585.98 = 133,215.78 : x
  2. Step 2: Convert to fraction form
    282,932.68/424,585.98 = 133,215.78/x
  3. Step 3: Cross multiply
    282,932.68x = 424,585.98 × 133,215.78
  4. Step 4: Simplify right side
    282,932.68x = 56,561,552,502.76
  5. Step 5: Solve for x
    x = 56,561,552,502.76/282,932.68
  6. Step 6: Final answer
    x = 199,911.70

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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.