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Finding the Fourth Proportional to 329,593.08, 454,855.86 and 208,690.32

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Solution

The fourth proportional to 329,593.08, 454,855.86 and 208,690.32 is: 288,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,593.08 : 454,855.86 = 208,690.32 : x
  2. Step 2: Convert to fraction form
    329,593.08/454,855.86 = 208,690.32/x
  3. Step 3: Cross multiply
    329,593.08x = 454,855.86 × 208,690.32
  4. Step 4: Simplify right side
    329,593.08x = 94,924,014,977.28
  5. Step 5: Solve for x
    x = 94,924,014,977.28/329,593.08
  6. Step 6: Final answer
    x = 288,003.66

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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.