Home / 258,260.40-356,341.01-156,283.29

Finding the Fourth Proportional to 258,260.40, 356,341.01 and 156,283.29

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Solution

The fourth proportional to 258,260.40, 356,341.01 and 156,283.29 is: 215,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,260.40 : 356,341.01 = 156,283.29 : x
  2. Step 2: Convert to fraction form
    258,260.40/356,341.01 = 156,283.29/x
  3. Step 3: Cross multiply
    258,260.40x = 356,341.01 × 156,283.29
  4. Step 4: Simplify right side
    258,260.40x = 55,690,144,623.31
  5. Step 5: Solve for x
    x = 55,690,144,623.31/258,260.40
  6. Step 6: Final answer
    x = 215,635.63

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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.