Home / 316,270.91-436,453.31-173,030.61

Finding the Fourth Proportional to 316,270.91, 436,453.31 and 173,030.61

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Solution

The fourth proportional to 316,270.91, 436,453.31 and 173,030.61 is: 238,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,270.91 : 436,453.31 = 173,030.61 : x
  2. Step 2: Convert to fraction form
    316,270.91/436,453.31 = 173,030.61/x
  3. Step 3: Cross multiply
    316,270.91x = 436,453.31 × 173,030.61
  4. Step 4: Simplify right side
    316,270.91x = 75,519,784,535.10
  5. Step 5: Solve for x
    x = 75,519,784,535.10/316,270.91
  6. Step 6: Final answer
    x = 238,781.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.