Home / 487,976.40-732,084.60-168,133.20

Finding the Fourth Proportional to 487,976.40, 732,084.60 and 168,133.20

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Solution

The fourth proportional to 487,976.40, 732,084.60 and 168,133.20 is: 252,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,976.40 : 732,084.60 = 168,133.20 : x
  2. Step 2: Convert to fraction form
    487,976.40/732,084.60 = 168,133.20/x
  3. Step 3: Cross multiply
    487,976.40x = 732,084.60 × 168,133.20
  4. Step 4: Simplify right side
    487,976.40x = 123,087,726,468.72
  5. Step 5: Solve for x
    x = 123,087,726,468.72/487,976.40
  6. Step 6: Final answer
    x = 252,241.15

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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.