Home / 498,330.90-747,604.08-161,405.46

Finding the Fourth Proportional to 498,330.90, 747,604.08 and 161,405.46

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Solution

The fourth proportional to 498,330.90, 747,604.08 and 161,405.46 is: 242,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,330.90 : 747,604.08 = 161,405.46 : x
  2. Step 2: Convert to fraction form
    498,330.90/747,604.08 = 161,405.46/x
  3. Step 3: Cross multiply
    498,330.90x = 747,604.08 × 161,405.46
  4. Step 4: Simplify right side
    498,330.90x = 120,667,380,430.28
  5. Step 5: Solve for x
    x = 120,667,380,430.28/498,330.90
  6. Step 6: Final answer
    x = 242,143.08

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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.