Home / 282,939.40-424,409.24-72,577.41

Finding the Fourth Proportional to 282,939.40, 424,409.24 and 72,577.41

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Solution

The fourth proportional to 282,939.40, 424,409.24 and 72,577.41 is: 108,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,939.40 : 424,409.24 = 72,577.41 : x
  2. Step 2: Convert to fraction form
    282,939.40/424,409.24 = 72,577.41/x
  3. Step 3: Cross multiply
    282,939.40x = 424,409.24 × 72,577.41
  4. Step 4: Simplify right side
    282,939.40x = 30,802,523,419.27
  5. Step 5: Solve for x
    x = 30,802,523,419.27/282,939.40
  6. Step 6: Final answer
    x = 108,866.15

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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.