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Finding the Fourth Proportional to 183,710.70, 275,566.05 and 163,881.90

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Solution

The fourth proportional to 183,710.70, 275,566.05 and 163,881.90 is: 245,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,710.70 : 275,566.05 = 163,881.90 : x
  2. Step 2: Convert to fraction form
    183,710.70/275,566.05 = 163,881.90/x
  3. Step 3: Cross multiply
    183,710.70x = 275,566.05 × 163,881.90
  4. Step 4: Simplify right side
    183,710.70x = 45,160,287,849.50
  5. Step 5: Solve for x
    x = 45,160,287,849.50/183,710.70
  6. Step 6: Final answer
    x = 245,822.85

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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.