Home / 354,778.20-490,127.06-232,560.72

Finding the Fourth Proportional to 354,778.20, 490,127.06 and 232,560.72

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Solution

The fourth proportional to 354,778.20, 490,127.06 and 232,560.72 is: 321,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,778.20 : 490,127.06 = 232,560.72 : x
  2. Step 2: Convert to fraction form
    354,778.20/490,127.06 = 232,560.72/x
  3. Step 3: Cross multiply
    354,778.20x = 490,127.06 × 232,560.72
  4. Step 4: Simplify right side
    354,778.20x = 113,984,301,965.08
  5. Step 5: Solve for x
    x = 113,984,301,965.08/354,778.20
  6. Step 6: Final answer
    x = 321,283.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.