Home / 258,049.17-387,200.57-115,994.81

Finding the Fourth Proportional to 258,049.17, 387,200.57 and 115,994.81

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Solution

The fourth proportional to 258,049.17, 387,200.57 and 115,994.81 is: 174,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,049.17 : 387,200.57 = 115,994.81 : x
  2. Step 2: Convert to fraction form
    258,049.17/387,200.57 = 115,994.81/x
  3. Step 3: Cross multiply
    258,049.17x = 387,200.57 × 115,994.81
  4. Step 4: Simplify right side
    258,049.17x = 44,913,256,937.07
  5. Step 5: Solve for x
    x = 44,913,256,937.07/258,049.17
  6. Step 6: Final answer
    x = 174,049.22

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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.