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Finding the Fourth Proportional to 242,612.70, 363,794.78 and 130,387.41

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Solution

The fourth proportional to 242,612.70, 363,794.78 and 130,387.41 is: 195,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,612.70 : 363,794.78 = 130,387.41 : x
  2. Step 2: Convert to fraction form
    242,612.70/363,794.78 = 130,387.41/x
  3. Step 3: Cross multiply
    242,612.70x = 363,794.78 × 130,387.41
  4. Step 4: Simplify right side
    242,612.70x = 47,434,258,483.78
  5. Step 5: Solve for x
    x = 47,434,258,483.78/242,612.70
  6. Step 6: Final answer
    x = 195,514.33

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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.