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Finding the Fourth Proportional to 432,841.58, 649,262.22 and 117,298.50

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Solution

The fourth proportional to 432,841.58, 649,262.22 and 117,298.50 is: 175,947.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,841.58 : 649,262.22 = 117,298.50 : x
  2. Step 2: Convert to fraction form
    432,841.58/649,262.22 = 117,298.50/x
  3. Step 3: Cross multiply
    432,841.58x = 649,262.22 × 117,298.50
  4. Step 4: Simplify right side
    432,841.58x = 76,157,484,512.67
  5. Step 5: Solve for x
    x = 76,157,484,512.67/432,841.58
  6. Step 6: Final answer
    x = 175,947.71

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Similar ratio
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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.