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Finding the Fourth Proportional to 361,713.08, 499,187.32 and 208,757.72

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Solution

The fourth proportional to 361,713.08, 499,187.32 and 208,757.72 is: 288,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,713.08 : 499,187.32 = 208,757.72 : x
  2. Step 2: Convert to fraction form
    361,713.08/499,187.32 = 208,757.72/x
  3. Step 3: Cross multiply
    361,713.08x = 499,187.32 × 208,757.72
  4. Step 4: Simplify right side
    361,713.08x = 104,209,207,502.18
  5. Step 5: Solve for x
    x = 104,209,207,502.18/361,713.08
  6. Step 6: Final answer
    x = 288,099.08

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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.