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Finding the Fourth Proportional to 665,374.88, 998,070.24 and 185,573.49

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Solution

The fourth proportional to 665,374.88, 998,070.24 and 185,573.49 is: 278,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,374.88 : 998,070.24 = 185,573.49 : x
  2. Step 2: Convert to fraction form
    665,374.88/998,070.24 = 185,573.49/x
  3. Step 3: Cross multiply
    665,374.88x = 998,070.24 × 185,573.49
  4. Step 4: Simplify right side
    665,374.88x = 185,215,377,701.94
  5. Step 5: Solve for x
    x = 185,215,377,701.94/665,374.88
  6. Step 6: Final answer
    x = 278,362.44

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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.