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Finding the Fourth Proportional to 323,803.08, 485,410.58 and 113,326.20

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Solution

The fourth proportional to 323,803.08, 485,410.58 and 113,326.20 is: 169,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,803.08 : 485,410.58 = 113,326.20 : x
  2. Step 2: Convert to fraction form
    323,803.08/485,410.58 = 113,326.20/x
  3. Step 3: Cross multiply
    323,803.08x = 485,410.58 × 113,326.20
  4. Step 4: Simplify right side
    323,803.08x = 55,009,736,471.20
  5. Step 5: Solve for x
    x = 55,009,736,471.20/323,803.08
  6. Step 6: Final answer
    x = 169,886.39

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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.