Home / 484,536.16-726,749.16-129,581.20

Finding the Fourth Proportional to 484,536.16, 726,749.16 and 129,581.20

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Solution

The fourth proportional to 484,536.16, 726,749.16 and 129,581.20 is: 194,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,536.16 : 726,749.16 = 129,581.20 : x
  2. Step 2: Convert to fraction form
    484,536.16/726,749.16 = 129,581.20/x
  3. Step 3: Cross multiply
    484,536.16x = 726,749.16 × 129,581.20
  4. Step 4: Simplify right side
    484,536.16x = 94,173,028,251.79
  5. Step 5: Solve for x
    x = 94,173,028,251.79/484,536.16
  6. Step 6: Final answer
    x = 194,357.07

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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.