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Finding the Fourth Proportional to 442,180.28, 610,111.28 and 281,271.75

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Solution

The fourth proportional to 442,180.28, 610,111.28 and 281,271.75 is: 388,092.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,180.28 : 610,111.28 = 281,271.75 : x
  2. Step 2: Convert to fraction form
    442,180.28/610,111.28 = 281,271.75/x
  3. Step 3: Cross multiply
    442,180.28x = 610,111.28 × 281,271.75
  4. Step 4: Simplify right side
    442,180.28x = 171,607,066,013.98
  5. Step 5: Solve for x
    x = 171,607,066,013.98/442,180.28
  6. Step 6: Final answer
    x = 388,092.99

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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.