Home / 307,460.24-461,279.66-127,512.66

Finding the Fourth Proportional to 307,460.24, 461,279.66 and 127,512.66

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Solution

The fourth proportional to 307,460.24, 461,279.66 and 127,512.66 is: 191,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,460.24 : 461,279.66 = 127,512.66 : x
  2. Step 2: Convert to fraction form
    307,460.24/461,279.66 = 127,512.66/x
  3. Step 3: Cross multiply
    307,460.24x = 461,279.66 × 127,512.66
  4. Step 4: Simplify right side
    307,460.24x = 58,818,995,812.93
  5. Step 5: Solve for x
    x = 58,818,995,812.93/307,460.24
  6. Step 6: Final answer
    x = 191,306.03

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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.