Home / 349,721.40-524,841.30-231,353.40

Finding the Fourth Proportional to 349,721.40, 524,841.30 and 231,353.40

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Solution

The fourth proportional to 349,721.40, 524,841.30 and 231,353.40 is: 347,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,721.40 : 524,841.30 = 231,353.40 : x
  2. Step 2: Convert to fraction form
    349,721.40/524,841.30 = 231,353.40/x
  3. Step 3: Cross multiply
    349,721.40x = 524,841.30 × 231,353.40
  4. Step 4: Simplify right side
    349,721.40x = 121,423,819,215.42
  5. Step 5: Solve for x
    x = 121,423,819,215.42/349,721.40
  6. Step 6: Final answer
    x = 347,201.57

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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.