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Finding the Fourth Proportional to 354,620.70, 532,214.50 and 183,890.92

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Solution

The fourth proportional to 354,620.70, 532,214.50 and 183,890.92 is: 275,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,620.70 : 532,214.50 = 183,890.92 : x
  2. Step 2: Convert to fraction form
    354,620.70/532,214.50 = 183,890.92/x
  3. Step 3: Cross multiply
    354,620.70x = 532,214.50 × 183,890.92
  4. Step 4: Simplify right side
    354,620.70x = 97,869,414,042.34
  5. Step 5: Solve for x
    x = 97,869,414,042.34/354,620.70
  6. Step 6: Final answer
    x = 275,983.36

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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.