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Finding the Fourth Proportional to 252,354.71, 348,366.12 and 155,575.86

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Solution

The fourth proportional to 252,354.71, 348,366.12 and 155,575.86 is: 214,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,354.71 : 348,366.12 = 155,575.86 : x
  2. Step 2: Convert to fraction form
    252,354.71/348,366.12 = 155,575.86/x
  3. Step 3: Cross multiply
    252,354.71x = 348,366.12 × 155,575.86
  4. Step 4: Simplify right side
    252,354.71x = 54,197,358,713.86
  5. Step 5: Solve for x
    x = 54,197,358,713.86/252,354.71
  6. Step 6: Final answer
    x = 214,766.58

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1.5x scale

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.