Home / 324,150.40-486,006.90-172,372.60

Finding the Fourth Proportional to 324,150.40, 486,006.90 and 172,372.60

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Solution

The fourth proportional to 324,150.40, 486,006.90 and 172,372.60 is: 258,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,150.40 : 486,006.90 = 172,372.60 : x
  2. Step 2: Convert to fraction form
    324,150.40/486,006.90 = 172,372.60/x
  3. Step 3: Cross multiply
    324,150.40x = 486,006.90 × 172,372.60
  4. Step 4: Simplify right side
    324,150.40x = 83,774,272,970.94
  5. Step 5: Solve for x
    x = 83,774,272,970.94/324,150.40
  6. Step 6: Final answer
    x = 258,442.60

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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.