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Finding the Fourth Proportional to 323,642.36, 485,150.06 and 123,808.88

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Solution

The fourth proportional to 323,642.36, 485,150.06 and 123,808.88 is: 185,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,642.36 : 485,150.06 = 123,808.88 : x
  2. Step 2: Convert to fraction form
    323,642.36/485,150.06 = 123,808.88/x
  3. Step 3: Cross multiply
    323,642.36x = 485,150.06 × 123,808.88
  4. Step 4: Simplify right side
    323,642.36x = 60,065,885,560.53
  5. Step 5: Solve for x
    x = 60,065,885,560.53/323,642.36
  6. Step 6: Final answer
    x = 185,593.40

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1.5x scale

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.