Home / 705,237.36-1,057,848.75-172,761.18

Finding the Fourth Proportional to 705,237.36, 1,057,848.75 and 172,761.18

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Solution

The fourth proportional to 705,237.36, 1,057,848.75 and 172,761.18 is: 259,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,237.36 : 1,057,848.75 = 172,761.18 : x
  2. Step 2: Convert to fraction form
    705,237.36/1,057,848.75 = 172,761.18/x
  3. Step 3: Cross multiply
    705,237.36x = 1,057,848.75 × 172,761.18
  4. Step 4: Simplify right side
    705,237.36x = 182,755,198,311.53
  5. Step 5: Solve for x
    x = 182,755,198,311.53/705,237.36
  6. Step 6: Final answer
    x = 259,139.98

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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.