Home / 485,113.10-727,653.24-148,140.14

Finding the Fourth Proportional to 485,113.10, 727,653.24 and 148,140.14

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Solution

The fourth proportional to 485,113.10, 727,653.24 and 148,140.14 is: 222,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,113.10 : 727,653.24 = 148,140.14 : x
  2. Step 2: Convert to fraction form
    485,113.10/727,653.24 = 148,140.14/x
  3. Step 3: Cross multiply
    485,113.10x = 727,653.24 × 148,140.14
  4. Step 4: Simplify right side
    485,113.10x = 107,794,649,206.79
  5. Step 5: Solve for x
    x = 107,794,649,206.79/485,113.10
  6. Step 6: Final answer
    x = 222,205.19

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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.