Home / 412,519.29-618,779.46-113,002.50

Finding the Fourth Proportional to 412,519.29, 618,779.46 and 113,002.50

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Solution

The fourth proportional to 412,519.29, 618,779.46 and 113,002.50 is: 169,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,519.29 : 618,779.46 = 113,002.50 : x
  2. Step 2: Convert to fraction form
    412,519.29/618,779.46 = 113,002.50/x
  3. Step 3: Cross multiply
    412,519.29x = 618,779.46 × 113,002.50
  4. Step 4: Simplify right side
    412,519.29x = 69,923,623,608.23
  5. Step 5: Solve for x
    x = 69,923,623,608.23/412,519.29
  6. Step 6: Final answer
    x = 169,503.89

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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.