Home / 349,397.13-524,218.71-172,028.70

Finding the Fourth Proportional to 349,397.13, 524,218.71 and 172,028.70

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Solution

The fourth proportional to 349,397.13, 524,218.71 and 172,028.70 is: 258,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,397.13 : 524,218.71 = 172,028.70 : x
  2. Step 2: Convert to fraction form
    349,397.13/524,218.71 = 172,028.70/x
  3. Step 3: Cross multiply
    349,397.13x = 524,218.71 × 172,028.70
  4. Step 4: Simplify right side
    349,397.13x = 90,180,663,196.98
  5. Step 5: Solve for x
    x = 90,180,663,196.98/349,397.13
  6. Step 6: Final answer
    x = 258,103.62

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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.