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Finding the Fourth Proportional to 164,032.30, 246,048.45 and 162,649.90

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Solution

The fourth proportional to 164,032.30, 246,048.45 and 162,649.90 is: 243,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,032.30 : 246,048.45 = 162,649.90 : x
  2. Step 2: Convert to fraction form
    164,032.30/246,048.45 = 162,649.90/x
  3. Step 3: Cross multiply
    164,032.30x = 246,048.45 × 162,649.90
  4. Step 4: Simplify right side
    164,032.30x = 40,019,755,787.66
  5. Step 5: Solve for x
    x = 40,019,755,787.66/164,032.30
  6. Step 6: Final answer
    x = 243,974.85

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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.