Home / 349,488.23-524,130.78-136,208.66

Finding the Fourth Proportional to 349,488.23, 524,130.78 and 136,208.66

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Solution

The fourth proportional to 349,488.23, 524,130.78 and 136,208.66 is: 204,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,488.23 : 524,130.78 = 136,208.66 : x
  2. Step 2: Convert to fraction form
    349,488.23/524,130.78 = 136,208.66/x
  3. Step 3: Cross multiply
    349,488.23x = 524,130.78 × 136,208.66
  4. Step 4: Simplify right side
    349,488.23x = 71,391,151,208.55
  5. Step 5: Solve for x
    x = 71,391,151,208.55/349,488.23
  6. Step 6: Final answer
    x = 204,273.41

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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.