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Finding the Fourth Proportional to 459,199.72, 633,691.51 and 255,245.50

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Solution

The fourth proportional to 459,199.72, 633,691.51 and 255,245.50 is: 352,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,199.72 : 633,691.51 = 255,245.50 : x
  2. Step 2: Convert to fraction form
    459,199.72/633,691.51 = 255,245.50/x
  3. Step 3: Cross multiply
    459,199.72x = 633,691.51 × 255,245.50
  4. Step 4: Simplify right side
    459,199.72x = 161,746,906,315.71
  5. Step 5: Solve for x
    x = 161,746,906,315.71/459,199.72
  6. Step 6: Final answer
    x = 352,236.51

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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.