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Finding the Fourth Proportional to 247,120.74, 341,063.06 and 156,484.98

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Solution

The fourth proportional to 247,120.74, 341,063.06 and 156,484.98 is: 215,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,120.74 : 341,063.06 = 156,484.98 : x
  2. Step 2: Convert to fraction form
    247,120.74/341,063.06 = 156,484.98/x
  3. Step 3: Cross multiply
    247,120.74x = 341,063.06 × 156,484.98
  4. Step 4: Simplify right side
    247,120.74x = 53,371,245,340.41
  5. Step 5: Solve for x
    x = 53,371,245,340.41/247,120.74
  6. Step 6: Final answer
    x = 215,972.34

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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.