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Finding the Fourth Proportional to 247,254.14, 341,254.39 and 145,279.58

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Solution

The fourth proportional to 247,254.14, 341,254.39 and 145,279.58 is: 200,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,254.14 : 341,254.39 = 145,279.58 : x
  2. Step 2: Convert to fraction form
    247,254.14/341,254.39 = 145,279.58/x
  3. Step 3: Cross multiply
    247,254.14x = 341,254.39 × 145,279.58
  4. Step 4: Simplify right side
    247,254.14x = 49,577,292,746.08
  5. Step 5: Solve for x
    x = 49,577,292,746.08/247,254.14
  6. Step 6: Final answer
    x = 200,511.48

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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.