Home / 250,283.86-375,486.57-81,811.96

Finding the Fourth Proportional to 250,283.86, 375,486.57 and 81,811.96

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Solution

The fourth proportional to 250,283.86, 375,486.57 and 81,811.96 is: 122,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,283.86 : 375,486.57 = 81,811.96 : x
  2. Step 2: Convert to fraction form
    250,283.86/375,486.57 = 81,811.96/x
  3. Step 3: Cross multiply
    250,283.86x = 375,486.57 × 81,811.96
  4. Step 4: Simplify right side
    250,283.86x = 30,719,291,306.66
  5. Step 5: Solve for x
    x = 30,719,291,306.66/250,283.86
  6. Step 6: Final answer
    x = 122,737.81

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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.