Home / 261,574.13-391,341.43-229,296.98

Finding the Fourth Proportional to 261,574.13, 391,341.43 and 229,296.98

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Solution

The fourth proportional to 261,574.13, 391,341.43 and 229,296.98 is: 343,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,574.13 : 391,341.43 = 229,296.98 : x
  2. Step 2: Convert to fraction form
    261,574.13/391,341.43 = 229,296.98/x
  3. Step 3: Cross multiply
    261,574.13x = 391,341.43 × 229,296.98
  4. Step 4: Simplify right side
    261,574.13x = 89,733,408,047.88
  5. Step 5: Solve for x
    x = 89,733,408,047.88/261,574.13
  6. Step 6: Final answer
    x = 343,051.54

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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.