Home / 314,470.10-471,778.92-89,833.74

Finding the Fourth Proportional to 314,470.10, 471,778.92 and 89,833.74

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Solution

The fourth proportional to 314,470.10, 471,778.92 and 89,833.74 is: 134,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,470.10 : 471,778.92 = 89,833.74 : x
  2. Step 2: Convert to fraction form
    314,470.10/471,778.92 = 89,833.74/x
  3. Step 3: Cross multiply
    314,470.10x = 471,778.92 × 89,833.74
  4. Step 4: Simplify right side
    314,470.10x = 42,381,664,836.76
  5. Step 5: Solve for x
    x = 42,381,664,836.76/314,470.10
  6. Step 6: Final answer
    x = 134,771.69

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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.