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Finding the Fourth Proportional to 375,886.70, 563,770.07 and 109,584.96

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Solution

The fourth proportional to 375,886.70, 563,770.07 and 109,584.96 is: 164,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,886.70 : 563,770.07 = 109,584.96 : x
  2. Step 2: Convert to fraction form
    375,886.70/563,770.07 = 109,584.96/x
  3. Step 3: Cross multiply
    375,886.70x = 563,770.07 × 109,584.96
  4. Step 4: Simplify right side
    375,886.70x = 61,780,720,570.15
  5. Step 5: Solve for x
    x = 61,780,720,570.15/375,886.70
  6. Step 6: Final answer
    x = 164,359.95

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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.