Home / 454,018.20-681,027.30-121,594.20

Finding the Fourth Proportional to 454,018.20, 681,027.30 and 121,594.20

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Solution

The fourth proportional to 454,018.20, 681,027.30 and 121,594.20 is: 182,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,018.20 : 681,027.30 = 121,594.20 : x
  2. Step 2: Convert to fraction form
    454,018.20/681,027.30 = 121,594.20/x
  3. Step 3: Cross multiply
    454,018.20x = 681,027.30 × 121,594.20
  4. Step 4: Simplify right side
    454,018.20x = 82,808,969,721.66
  5. Step 5: Solve for x
    x = 82,808,969,721.66/454,018.20
  6. Step 6: Final answer
    x = 182,391.30

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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.