Home / 374,821.75-517,254.15-205,059.52

Finding the Fourth Proportional to 374,821.75, 517,254.15 and 205,059.52

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Solution

The fourth proportional to 374,821.75, 517,254.15 and 205,059.52 is: 282,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,821.75 : 517,254.15 = 205,059.52 : x
  2. Step 2: Convert to fraction form
    374,821.75/517,254.15 = 205,059.52/x
  3. Step 3: Cross multiply
    374,821.75x = 517,254.15 × 205,059.52
  4. Step 4: Simplify right side
    374,821.75x = 106,067,887,717.01
  5. Step 5: Solve for x
    x = 106,067,887,717.01/374,821.75
  6. Step 6: Final answer
    x = 282,982.21

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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.