Home / 350,003.10-524,659.05-172,364.70

Finding the Fourth Proportional to 350,003.10, 524,659.05 and 172,364.70

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Solution

The fourth proportional to 350,003.10, 524,659.05 and 172,364.70 is: 258,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,003.10 : 524,659.05 = 172,364.70 : x
  2. Step 2: Convert to fraction form
    350,003.10/524,659.05 = 172,364.70/x
  3. Step 3: Cross multiply
    350,003.10x = 524,659.05 × 172,364.70
  4. Step 4: Simplify right side
    350,003.10x = 90,432,699,755.54
  5. Step 5: Solve for x
    x = 90,432,699,755.54/350,003.10
  6. Step 6: Final answer
    x = 258,376.85

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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.