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Finding the Fourth Proportional to 247,289.70, 370,934.55 and 60,301.20

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Solution

The fourth proportional to 247,289.70, 370,934.55 and 60,301.20 is: 90,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,289.70 : 370,934.55 = 60,301.20 : x
  2. Step 2: Convert to fraction form
    247,289.70/370,934.55 = 60,301.20/x
  3. Step 3: Cross multiply
    247,289.70x = 370,934.55 × 60,301.20
  4. Step 4: Simplify right side
    247,289.70x = 22,367,798,486.46
  5. Step 5: Solve for x
    x = 22,367,798,486.46/247,289.70
  6. Step 6: Final answer
    x = 90,451.80

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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.