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Finding the Fourth Proportional to 392,001.60, 588,002.40 and 111,482.40

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Solution

The fourth proportional to 392,001.60, 588,002.40 and 111,482.40 is: 167,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,001.60 : 588,002.40 = 111,482.40 : x
  2. Step 2: Convert to fraction form
    392,001.60/588,002.40 = 111,482.40/x
  3. Step 3: Cross multiply
    392,001.60x = 588,002.40 × 111,482.40
  4. Step 4: Simplify right side
    392,001.60x = 65,551,918,757.76
  5. Step 5: Solve for x
    x = 65,551,918,757.76/392,001.60
  6. Step 6: Final answer
    x = 167,223.60

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1.5x scale

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.