Home / 282,939.04-424,406.64-72,577.12

Finding the Fourth Proportional to 282,939.04, 424,406.64 and 72,577.12

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Solution

The fourth proportional to 282,939.04, 424,406.64 and 72,577.12 is: 108,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,939.04 : 424,406.64 = 72,577.12 : x
  2. Step 2: Convert to fraction form
    282,939.04/424,406.64 = 72,577.12/x
  3. Step 3: Cross multiply
    282,939.04x = 424,406.64 × 72,577.12
  4. Step 4: Simplify right side
    282,939.04x = 30,802,211,640.08
  5. Step 5: Solve for x
    x = 30,802,211,640.08/282,939.04
  6. Step 6: Final answer
    x = 108,865.19

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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.