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Finding the Fourth Proportional to 325,997.50, 449,869.85 and 180,779.85

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Solution

The fourth proportional to 325,997.50, 449,869.85 and 180,779.85 is: 249,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,997.50 : 449,869.85 = 180,779.85 : x
  2. Step 2: Convert to fraction form
    325,997.50/449,869.85 = 180,779.85/x
  3. Step 3: Cross multiply
    325,997.50x = 449,869.85 × 180,779.85
  4. Step 4: Simplify right side
    325,997.50x = 81,327,403,697.34
  5. Step 5: Solve for x
    x = 81,327,403,697.34/325,997.50
  6. Step 6: Final answer
    x = 249,472.48

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1.5x scale

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.