Home / 485,300.72-727,924.37-148,341.17

Finding the Fourth Proportional to 485,300.72, 727,924.37 and 148,341.17

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Solution

The fourth proportional to 485,300.72, 727,924.37 and 148,341.17 is: 222,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,300.72 : 727,924.37 = 148,341.17 : x
  2. Step 2: Convert to fraction form
    485,300.72/727,924.37 = 148,341.17/x
  3. Step 3: Cross multiply
    485,300.72x = 727,924.37 × 148,341.17
  4. Step 4: Simplify right side
    485,300.72x = 107,981,148,335.99
  5. Step 5: Solve for x
    x = 107,981,148,335.99/485,300.72
  6. Step 6: Final answer
    x = 222,503.58

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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.