Home / 221,479.36-332,271.96-71,719.84

Finding the Fourth Proportional to 221,479.36, 332,271.96 and 71,719.84

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Solution

The fourth proportional to 221,479.36, 332,271.96 and 71,719.84 is: 107,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,479.36 : 332,271.96 = 71,719.84 : x
  2. Step 2: Convert to fraction form
    221,479.36/332,271.96 = 71,719.84/x
  3. Step 3: Cross multiply
    221,479.36x = 332,271.96 × 71,719.84
  4. Step 4: Simplify right side
    221,479.36x = 23,830,491,807.69
  5. Step 5: Solve for x
    x = 23,830,491,807.69/221,479.36
  6. Step 6: Final answer
    x = 107,596.90

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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.