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Finding the Fourth Proportional to 375,527.80, 518,228.58 and 205,761.88

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Solution

The fourth proportional to 375,527.80, 518,228.58 and 205,761.88 is: 283,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,527.80 : 518,228.58 = 205,761.88 : x
  2. Step 2: Convert to fraction form
    375,527.80/518,228.58 = 205,761.88/x
  3. Step 3: Cross multiply
    375,527.80x = 518,228.58 × 205,761.88
  4. Step 4: Simplify right side
    375,527.80x = 106,631,686,890.53
  5. Step 5: Solve for x
    x = 106,631,686,890.53/375,527.80
  6. Step 6: Final answer
    x = 283,951.51

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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.