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Finding the Fourth Proportional to 282,818.88, 423,655.44 and 130,800

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Solution

The fourth proportional to 282,818.88, 423,655.44 and 130,800 is: 195,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,818.88 : 423,655.44 = 130,800 : x
  2. Step 2: Convert to fraction form
    282,818.88/423,655.44 = 130,800/x
  3. Step 3: Cross multiply
    282,818.88x = 423,655.44 × 130,800
  4. Step 4: Simplify right side
    282,818.88x = 55,414,131,552
  5. Step 5: Solve for x
    x = 55,414,131,552/282,818.88
  6. Step 6: Final answer
    x = 195,935.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.