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Finding the Fourth Proportional to 452,449.51, 624,387.84 and 248,519.28

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Solution

The fourth proportional to 452,449.51, 624,387.84 and 248,519.28 is: 342,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,449.51 : 624,387.84 = 248,519.28 : x
  2. Step 2: Convert to fraction form
    452,449.51/624,387.84 = 248,519.28/x
  3. Step 3: Cross multiply
    452,449.51x = 624,387.84 × 248,519.28
  4. Step 4: Simplify right side
    452,449.51x = 155,172,413,282.09
  5. Step 5: Solve for x
    x = 155,172,413,282.09/452,449.51
  6. Step 6: Final answer
    x = 342,960.73

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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.