Home / 349,485.23-524,126.28-136,205.66

Finding the Fourth Proportional to 349,485.23, 524,126.28 and 136,205.66

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Solution

The fourth proportional to 349,485.23, 524,126.28 and 136,205.66 is: 204,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,485.23 : 524,126.28 = 136,205.66 : x
  2. Step 2: Convert to fraction form
    349,485.23/524,126.28 = 136,205.66/x
  3. Step 3: Cross multiply
    349,485.23x = 524,126.28 × 136,205.66
  4. Step 4: Simplify right side
    349,485.23x = 71,388,965,890.74
  5. Step 5: Solve for x
    x = 71,388,965,890.74/349,485.23
  6. Step 6: Final answer
    x = 204,268.91

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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.