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Finding the Fourth Proportional to 242,314.20, 363,544.20 and 130,048.20

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Solution

The fourth proportional to 242,314.20, 363,544.20 and 130,048.20 is: 195,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,314.20 : 363,544.20 = 130,048.20 : x
  2. Step 2: Convert to fraction form
    242,314.20/363,544.20 = 130,048.20/x
  3. Step 3: Cross multiply
    242,314.20x = 363,544.20 × 130,048.20
  4. Step 4: Simplify right side
    242,314.20x = 47,278,268,830.44
  5. Step 5: Solve for x
    x = 47,278,268,830.44/242,314.20
  6. Step 6: Final answer
    x = 195,111.42

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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.