Home / 261,570.41-391,335.85-229,293.26

Finding the Fourth Proportional to 261,570.41, 391,335.85 and 229,293.26

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Solution

The fourth proportional to 261,570.41, 391,335.85 and 229,293.26 is: 343,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,570.41 : 391,335.85 = 229,293.26 : x
  2. Step 2: Convert to fraction form
    261,570.41/391,335.85 = 229,293.26/x
  3. Step 3: Cross multiply
    261,570.41x = 391,335.85 × 229,293.26
  4. Step 4: Simplify right side
    261,570.41x = 89,730,672,801.37
  5. Step 5: Solve for x
    x = 89,730,672,801.37/261,570.41
  6. Step 6: Final answer
    x = 343,045.96

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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.