Home / 259,748.10-389,622.15-141,650.10

Finding the Fourth Proportional to 259,748.10, 389,622.15 and 141,650.10

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Solution

The fourth proportional to 259,748.10, 389,622.15 and 141,650.10 is: 212,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,748.10 : 389,622.15 = 141,650.10 : x
  2. Step 2: Convert to fraction form
    259,748.10/389,622.15 = 141,650.10/x
  3. Step 3: Cross multiply
    259,748.10x = 389,622.15 × 141,650.10
  4. Step 4: Simplify right side
    259,748.10x = 55,190,016,509.72
  5. Step 5: Solve for x
    x = 55,190,016,509.72/259,748.10
  6. Step 6: Final answer
    x = 212,475.15

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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.