Home / 281,061.15-387,755.44-179,068.35

Finding the Fourth Proportional to 281,061.15, 387,755.44 and 179,068.35

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Solution

The fourth proportional to 281,061.15, 387,755.44 and 179,068.35 is: 247,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,061.15 : 387,755.44 = 179,068.35 : x
  2. Step 2: Convert to fraction form
    281,061.15/387,755.44 = 179,068.35/x
  3. Step 3: Cross multiply
    281,061.15x = 387,755.44 × 179,068.35
  4. Step 4: Simplify right side
    281,061.15x = 69,434,724,010.21
  5. Step 5: Solve for x
    x = 69,434,724,010.21/281,061.15
  6. Step 6: Final answer
    x = 247,044.90

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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.