Home / 316,180.38-474,235.63-79,523.15

Finding the Fourth Proportional to 316,180.38, 474,235.63 and 79,523.15

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Solution

The fourth proportional to 316,180.38, 474,235.63 and 79,523.15 is: 119,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,180.38 : 474,235.63 = 79,523.15 : x
  2. Step 2: Convert to fraction form
    316,180.38/474,235.63 = 79,523.15/x
  3. Step 3: Cross multiply
    316,180.38x = 474,235.63 × 79,523.15
  4. Step 4: Simplify right side
    316,180.38x = 37,712,709,954.25
  5. Step 5: Solve for x
    x = 37,712,709,954.25/316,180.38
  6. Step 6: Final answer
    x = 119,275.94

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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.