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Finding the Fourth Proportional to 498,000.40, 747,000.60 and 161,040.40

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Solution

The fourth proportional to 498,000.40, 747,000.60 and 161,040.40 is: 241,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,000.40 : 747,000.60 = 161,040.40 : x
  2. Step 2: Convert to fraction form
    498,000.40/747,000.60 = 161,040.40/x
  3. Step 3: Cross multiply
    498,000.40x = 747,000.60 × 161,040.40
  4. Step 4: Simplify right side
    498,000.40x = 120,297,275,424.24
  5. Step 5: Solve for x
    x = 120,297,275,424.24/498,000.40
  6. Step 6: Final answer
    x = 241,560.60

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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.