Home / 356,234.80-491,937.06-229,131.04

Finding the Fourth Proportional to 356,234.80, 491,937.06 and 229,131.04

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Solution

The fourth proportional to 356,234.80, 491,937.06 and 229,131.04 is: 316,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,234.80 : 491,937.06 = 229,131.04 : x
  2. Step 2: Convert to fraction form
    356,234.80/491,937.06 = 229,131.04/x
  3. Step 3: Cross multiply
    356,234.80x = 491,937.06 × 229,131.04
  4. Step 4: Simplify right side
    356,234.80x = 112,718,050,172.34
  5. Step 5: Solve for x
    x = 112,718,050,172.34/356,234.80
  6. Step 6: Final answer
    x = 316,415.04

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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.