Home / 300,779.24-451,217.01-120,864.33

Finding the Fourth Proportional to 300,779.24, 451,217.01 and 120,864.33

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Solution

The fourth proportional to 300,779.24, 451,217.01 and 120,864.33 is: 181,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,779.24 : 451,217.01 = 120,864.33 : x
  2. Step 2: Convert to fraction form
    300,779.24/451,217.01 = 120,864.33/x
  3. Step 3: Cross multiply
    300,779.24x = 451,217.01 × 120,864.33
  4. Step 4: Simplify right side
    300,779.24x = 54,536,041,598.25
  5. Step 5: Solve for x
    x = 54,536,041,598.25/300,779.24
  6. Step 6: Final answer
    x = 181,315.85

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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.