Home / 345,060.12-517,695.82-176,699.65

Finding the Fourth Proportional to 345,060.12, 517,695.82 and 176,699.65

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Solution

The fourth proportional to 345,060.12, 517,695.82 and 176,699.65 is: 265,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,060.12 : 517,695.82 = 176,699.65 : x
  2. Step 2: Convert to fraction form
    345,060.12/517,695.82 = 176,699.65/x
  3. Step 3: Cross multiply
    345,060.12x = 517,695.82 × 176,699.65
  4. Step 4: Simplify right side
    345,060.12x = 91,476,669,316.96
  5. Step 5: Solve for x
    x = 91,476,669,316.96/345,060.12
  6. Step 6: Final answer
    x = 265,103.57

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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.