Home / 260,931.89-391,274.46-101,082.70

Finding the Fourth Proportional to 260,931.89, 391,274.46 and 101,082.70

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Solution

The fourth proportional to 260,931.89, 391,274.46 and 101,082.70 is: 151,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,931.89 : 391,274.46 = 101,082.70 : x
  2. Step 2: Convert to fraction form
    260,931.89/391,274.46 = 101,082.70/x
  3. Step 3: Cross multiply
    260,931.89x = 391,274.46 × 101,082.70
  4. Step 4: Simplify right side
    260,931.89x = 39,551,077,879.66
  5. Step 5: Solve for x
    x = 39,551,077,879.66/260,931.89
  6. Step 6: Final answer
    x = 151,576.25

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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.