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Finding the Fourth Proportional to 270,251.64, 372,981.46 and 157,052.52

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Solution

The fourth proportional to 270,251.64, 372,981.46 and 157,052.52 is: 216,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,251.64 : 372,981.46 = 157,052.52 : x
  2. Step 2: Convert to fraction form
    270,251.64/372,981.46 = 157,052.52/x
  3. Step 3: Cross multiply
    270,251.64x = 372,981.46 × 157,052.52
  4. Step 4: Simplify right side
    270,251.64x = 58,577,678,206.28
  5. Step 5: Solve for x
    x = 58,577,678,206.28/270,251.64
  6. Step 6: Final answer
    x = 216,752.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.