Home / 409,742.19-614,591.31-125,432.85

Finding the Fourth Proportional to 409,742.19, 614,591.31 and 125,432.85

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Solution

The fourth proportional to 409,742.19, 614,591.31 and 125,432.85 is: 188,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,742.19 : 614,591.31 = 125,432.85 : x
  2. Step 2: Convert to fraction form
    409,742.19/614,591.31 = 125,432.85/x
  3. Step 3: Cross multiply
    409,742.19x = 614,591.31 × 125,432.85
  4. Step 4: Simplify right side
    409,742.19x = 77,089,939,598.53
  5. Step 5: Solve for x
    x = 77,089,939,598.53/409,742.19
  6. Step 6: Final answer
    x = 188,142.55

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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.