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Finding the Fourth Proportional to 262,486.72, 362,228.52 and 149,309.20

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Solution

The fourth proportional to 262,486.72, 362,228.52 and 149,309.20 is: 206,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,486.72 : 362,228.52 = 149,309.20 : x
  2. Step 2: Convert to fraction form
    262,486.72/362,228.52 = 149,309.20/x
  3. Step 3: Cross multiply
    262,486.72x = 362,228.52 × 149,309.20
  4. Step 4: Simplify right side
    262,486.72x = 54,084,050,538.38
  5. Step 5: Solve for x
    x = 54,084,050,538.38/262,486.72
  6. Step 6: Final answer
    x = 206,044.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.