Home / 316,574.19-436,855.50-173,306.61

Finding the Fourth Proportional to 316,574.19, 436,855.50 and 173,306.61

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Solution

The fourth proportional to 316,574.19, 436,855.50 and 173,306.61 is: 239,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,574.19 : 436,855.50 = 173,306.61 : x
  2. Step 2: Convert to fraction form
    316,574.19/436,855.50 = 173,306.61/x
  3. Step 3: Cross multiply
    316,574.19x = 436,855.50 × 173,306.61
  4. Step 4: Simplify right side
    316,574.19x = 75,709,945,764.86
  5. Step 5: Solve for x
    x = 75,709,945,764.86/316,574.19
  6. Step 6: Final answer
    x = 239,153.88

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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.