Home / 305,965.40-458,821.76-132,868.40

Finding the Fourth Proportional to 305,965.40, 458,821.76 and 132,868.40

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Solution

The fourth proportional to 305,965.40, 458,821.76 and 132,868.40 is: 199,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,965.40 : 458,821.76 = 132,868.40 : x
  2. Step 2: Convert to fraction form
    305,965.40/458,821.76 = 132,868.40/x
  3. Step 3: Cross multiply
    305,965.40x = 458,821.76 × 132,868.40
  4. Step 4: Simplify right side
    305,965.40x = 60,962,913,136.38
  5. Step 5: Solve for x
    x = 60,962,913,136.38/305,965.40
  6. Step 6: Final answer
    x = 199,247.74

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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.