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Finding the Fourth Proportional to 281,560.61, 388,242.29 and 179,424.29

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Solution

The fourth proportional to 281,560.61, 388,242.29 and 179,424.29 is: 247,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,560.61 : 388,242.29 = 179,424.29 : x
  2. Step 2: Convert to fraction form
    281,560.61/388,242.29 = 179,424.29/x
  3. Step 3: Cross multiply
    281,560.61x = 388,242.29 × 179,424.29
  4. Step 4: Simplify right side
    281,560.61x = 69,660,094,392.89
  5. Step 5: Solve for x
    x = 69,660,094,392.89/281,560.61
  6. Step 6: Final answer
    x = 247,407.10

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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.