Home / 198,002.96-296,999.40-57,762.80

Finding the Fourth Proportional to 198,002.96, 296,999.40 and 57,762.80

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Solution

The fourth proportional to 198,002.96, 296,999.40 and 57,762.80 is: 86,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,002.96 : 296,999.40 = 57,762.80 : x
  2. Step 2: Convert to fraction form
    198,002.96/296,999.40 = 57,762.80/x
  3. Step 3: Cross multiply
    198,002.96x = 296,999.40 × 57,762.80
  4. Step 4: Simplify right side
    198,002.96x = 17,155,516,942.32
  5. Step 5: Solve for x
    x = 17,155,516,942.32/198,002.96
  6. Step 6: Final answer
    x = 86,642.73

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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.