Home / 325,072.23-487,487.09-111,779.81

Finding the Fourth Proportional to 325,072.23, 487,487.09 and 111,779.81

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Solution

The fourth proportional to 325,072.23, 487,487.09 and 111,779.81 is: 167,628.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,072.23 : 487,487.09 = 111,779.81 : x
  2. Step 2: Convert to fraction form
    325,072.23/487,487.09 = 111,779.81/x
  3. Step 3: Cross multiply
    325,072.23x = 487,487.09 × 111,779.81
  4. Step 4: Simplify right side
    325,072.23x = 54,491,211,301.32
  5. Step 5: Solve for x
    x = 54,491,211,301.32/325,072.23
  6. Step 6: Final answer
    x = 167,628.01

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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.