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Finding the Fourth Proportional to 252,574.07, 378,923.47 and 75,080.32

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Solution

The fourth proportional to 252,574.07, 378,923.47 and 75,080.32 is: 112,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,574.07 : 378,923.47 = 75,080.32 : x
  2. Step 2: Convert to fraction form
    252,574.07/378,923.47 = 75,080.32/x
  3. Step 3: Cross multiply
    252,574.07x = 378,923.47 × 75,080.32
  4. Step 4: Simplify right side
    252,574.07x = 28,449,694,248.10
  5. Step 5: Solve for x
    x = 28,449,694,248.10/252,574.07
  6. Step 6: Final answer
    x = 112,639.02

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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.