Home / 258,836.43-387,927.51-116,530.17

Finding the Fourth Proportional to 258,836.43, 387,927.51 and 116,530.17

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Solution

The fourth proportional to 258,836.43, 387,927.51 and 116,530.17 is: 174,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,836.43 : 387,927.51 = 116,530.17 : x
  2. Step 2: Convert to fraction form
    258,836.43/387,927.51 = 116,530.17/x
  3. Step 3: Cross multiply
    258,836.43x = 387,927.51 × 116,530.17
  4. Step 4: Simplify right side
    258,836.43x = 45,205,258,687.98
  5. Step 5: Solve for x
    x = 45,205,258,687.98/258,836.43
  6. Step 6: Final answer
    x = 174,647.98

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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.