Home / 320,037.51-479,720.96-149,118.29

Finding the Fourth Proportional to 320,037.51, 479,720.96 and 149,118.29

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Solution

The fourth proportional to 320,037.51, 479,720.96 and 149,118.29 is: 223,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,037.51 : 479,720.96 = 149,118.29 : x
  2. Step 2: Convert to fraction form
    320,037.51/479,720.96 = 149,118.29/x
  3. Step 3: Cross multiply
    320,037.51x = 479,720.96 × 149,118.29
  4. Step 4: Simplify right side
    320,037.51x = 71,535,166,833.75
  5. Step 5: Solve for x
    x = 71,535,166,833.75/320,037.51
  6. Step 6: Final answer
    x = 223,521.20

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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.