Home / 379,821.12-524,162.28-207,755.25

Finding the Fourth Proportional to 379,821.12, 524,162.28 and 207,755.25

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Solution

The fourth proportional to 379,821.12, 524,162.28 and 207,755.25 is: 286,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,821.12 : 524,162.28 = 207,755.25 : x
  2. Step 2: Convert to fraction form
    379,821.12/524,162.28 = 207,755.25/x
  3. Step 3: Cross multiply
    379,821.12x = 524,162.28 × 207,755.25
  4. Step 4: Simplify right side
    379,821.12x = 108,897,465,521.97
  5. Step 5: Solve for x
    x = 108,897,465,521.97/379,821.12
  6. Step 6: Final answer
    x = 286,707.24

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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.