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Finding the Fourth Proportional to 456,554, 630,046.68 and 255,350

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Solution

The fourth proportional to 456,554, 630,046.68 and 255,350 is: 352,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,554 : 630,046.68 = 255,350 : x
  2. Step 2: Convert to fraction form
    456,554/630,046.68 = 255,350/x
  3. Step 3: Cross multiply
    456,554x = 630,046.68 × 255,350
  4. Step 4: Simplify right side
    456,554x = 160,882,419,738
  5. Step 5: Solve for x
    x = 160,882,419,738/456,554
  6. Step 6: Final answer
    x = 352,384.21

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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.