Home / 245,770.28-368,655.25-140,515.42

Finding the Fourth Proportional to 245,770.28, 368,655.25 and 140,515.42

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Solution

The fourth proportional to 245,770.28, 368,655.25 and 140,515.42 is: 210,773.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,770.28 : 368,655.25 = 140,515.42 : x
  2. Step 2: Convert to fraction form
    245,770.28/368,655.25 = 140,515.42/x
  3. Step 3: Cross multiply
    245,770.28x = 368,655.25 × 140,515.42
  4. Step 4: Simplify right side
    245,770.28x = 51,801,747,288.96
  5. Step 5: Solve for x
    x = 51,801,747,288.96/245,770.28
  6. Step 6: Final answer
    x = 210,773.03

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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.