Home / 282,939.90-424,409.99-72,577.91

Finding the Fourth Proportional to 282,939.90, 424,409.99 and 72,577.91

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Solution

The fourth proportional to 282,939.90, 424,409.99 and 72,577.91 is: 108,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,939.90 : 424,409.99 = 72,577.91 : x
  2. Step 2: Convert to fraction form
    282,939.90/424,409.99 = 72,577.91/x
  3. Step 3: Cross multiply
    282,939.90x = 424,409.99 × 72,577.91
  4. Step 4: Simplify right side
    282,939.90x = 30,802,787,572.38
  5. Step 5: Solve for x
    x = 30,802,787,572.38/282,939.90
  6. Step 6: Final answer
    x = 108,866.89

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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.