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Finding the Fourth Proportional to 329,464.16, 454,656.48 and 178,557.92

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Solution

The fourth proportional to 329,464.16, 454,656.48 and 178,557.92 is: 246,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,464.16 : 454,656.48 = 178,557.92 : x
  2. Step 2: Convert to fraction form
    329,464.16/454,656.48 = 178,557.92/x
  3. Step 3: Cross multiply
    329,464.16x = 454,656.48 × 178,557.92
  4. Step 4: Simplify right side
    329,464.16x = 81,182,515,383.32
  5. Step 5: Solve for x
    x = 81,182,515,383.32/329,464.16
  6. Step 6: Final answer
    x = 246,407.73

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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.