Home / 388,743.97-581,799.30-239,079.19

Finding the Fourth Proportional to 388,743.97, 581,799.30 and 239,079.19

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Solution

The fourth proportional to 388,743.97, 581,799.30 and 239,079.19 is: 357,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,743.97 : 581,799.30 = 239,079.19 : x
  2. Step 2: Convert to fraction form
    388,743.97/581,799.30 = 239,079.19/x
  3. Step 3: Cross multiply
    388,743.97x = 581,799.30 × 239,079.19
  4. Step 4: Simplify right side
    388,743.97x = 139,096,105,386.57
  5. Step 5: Solve for x
    x = 139,096,105,386.57/388,743.97
  6. Step 6: Final answer
    x = 357,809.04

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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.