Home / 231,401.20-347,134.20-98,280.40

Finding the Fourth Proportional to 231,401.20, 347,134.20 and 98,280.40

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Solution

The fourth proportional to 231,401.20, 347,134.20 and 98,280.40 is: 147,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,401.20 : 347,134.20 = 98,280.40 : x
  2. Step 2: Convert to fraction form
    231,401.20/347,134.20 = 98,280.40/x
  3. Step 3: Cross multiply
    231,401.20x = 347,134.20 × 98,280.40
  4. Step 4: Simplify right side
    231,401.20x = 34,116,488,029.68
  5. Step 5: Solve for x
    x = 34,116,488,029.68/231,401.20
  6. Step 6: Final answer
    x = 147,434.36

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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.