Home / 321,020.55-481,417.20-93,268.80

Finding the Fourth Proportional to 321,020.55, 481,417.20 and 93,268.80

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Solution

The fourth proportional to 321,020.55, 481,417.20 and 93,268.80 is: 139,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,020.55 : 481,417.20 = 93,268.80 : x
  2. Step 2: Convert to fraction form
    321,020.55/481,417.20 = 93,268.80/x
  3. Step 3: Cross multiply
    321,020.55x = 481,417.20 × 93,268.80
  4. Step 4: Simplify right side
    321,020.55x = 44,901,204,543.36
  5. Step 5: Solve for x
    x = 44,901,204,543.36/321,020.55
  6. Step 6: Final answer
    x = 139,870.19

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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.