Home / 349,747.20-524,569.60-172,206.08

Finding the Fourth Proportional to 349,747.20, 524,569.60 and 172,206.08

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Solution

The fourth proportional to 349,747.20, 524,569.60 and 172,206.08 is: 258,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,747.20 : 524,569.60 = 172,206.08 : x
  2. Step 2: Convert to fraction form
    349,747.20/524,569.60 = 172,206.08/x
  3. Step 3: Cross multiply
    349,747.20x = 524,569.60 × 172,206.08
  4. Step 4: Simplify right side
    349,747.20x = 90,334,074,503.17
  5. Step 5: Solve for x
    x = 90,334,074,503.17/349,747.20
  6. Step 6: Final answer
    x = 258,283.91

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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.