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Finding the Fourth Proportional to 308,566.98, 425,651.08 and 179,490.92

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Solution

The fourth proportional to 308,566.98, 425,651.08 and 179,490.92 is: 247,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,566.98 : 425,651.08 = 179,490.92 : x
  2. Step 2: Convert to fraction form
    308,566.98/425,651.08 = 179,490.92/x
  3. Step 3: Cross multiply
    308,566.98x = 425,651.08 × 179,490.92
  4. Step 4: Simplify right side
    308,566.98x = 76,400,503,948.19
  5. Step 5: Solve for x
    x = 76,400,503,948.19/308,566.98
  6. Step 6: Final answer
    x = 247,597.80

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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.