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Finding the Fourth Proportional to 486,860.04, 730,328.58 and 171,387.72

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Solution

The fourth proportional to 486,860.04, 730,328.58 and 171,387.72 is: 257,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,860.04 : 730,328.58 = 171,387.72 : x
  2. Step 2: Convert to fraction form
    486,860.04/730,328.58 = 171,387.72/x
  3. Step 3: Cross multiply
    486,860.04x = 730,328.58 × 171,387.72
  4. Step 4: Simplify right side
    486,860.04x = 125,169,350,177.04
  5. Step 5: Solve for x
    x = 125,169,350,177.04/486,860.04
  6. Step 6: Final answer
    x = 257,095.14

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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.