Home / 665,495.31-998,411.35-185,723.03

Finding the Fourth Proportional to 665,495.31, 998,411.35 and 185,723.03

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Solution

The fourth proportional to 665,495.31, 998,411.35 and 185,723.03 is: 278,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,495.31 : 998,411.35 = 185,723.03 : x
  2. Step 2: Convert to fraction form
    665,495.31/998,411.35 = 185,723.03/x
  3. Step 3: Cross multiply
    665,495.31x = 998,411.35 × 185,723.03
  4. Step 4: Simplify right side
    665,495.31x = 185,427,981,108.39
  5. Step 5: Solve for x
    x = 185,427,981,108.39/665,495.31
  6. Step 6: Final answer
    x = 278,631.54

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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.