Home / 434,910.22-652,459.02-131,278.94

Finding the Fourth Proportional to 434,910.22, 652,459.02 and 131,278.94

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Solution

The fourth proportional to 434,910.22, 652,459.02 and 131,278.94 is: 196,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,910.22 : 652,459.02 = 131,278.94 : x
  2. Step 2: Convert to fraction form
    434,910.22/652,459.02 = 131,278.94/x
  3. Step 3: Cross multiply
    434,910.22x = 652,459.02 × 131,278.94
  4. Step 4: Simplify right side
    434,910.22x = 85,654,127,803.05
  5. Step 5: Solve for x
    x = 85,654,127,803.05/434,910.22
  6. Step 6: Final answer
    x = 196,946.69

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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.