Home / 261,006.24-391,511.67-103,234.68

Finding the Fourth Proportional to 261,006.24, 391,511.67 and 103,234.68

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Solution

The fourth proportional to 261,006.24, 391,511.67 and 103,234.68 is: 154,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,006.24 : 391,511.67 = 103,234.68 : x
  2. Step 2: Convert to fraction form
    261,006.24/391,511.67 = 103,234.68/x
  3. Step 3: Cross multiply
    261,006.24x = 391,511.67 × 103,234.68
  4. Step 4: Simplify right side
    261,006.24x = 40,417,581,968.72
  5. Step 5: Solve for x
    x = 40,417,581,968.72/261,006.24
  6. Step 6: Final answer
    x = 154,852.93

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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.