Home / 221,216.20-332,271.42-132,637.84

Finding the Fourth Proportional to 221,216.20, 332,271.42 and 132,637.84

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Solution

The fourth proportional to 221,216.20, 332,271.42 and 132,637.84 is: 199,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,216.20 : 332,271.42 = 132,637.84 : x
  2. Step 2: Convert to fraction form
    221,216.20/332,271.42 = 132,637.84/x
  3. Step 3: Cross multiply
    221,216.20x = 332,271.42 × 132,637.84
  4. Step 4: Simplify right side
    221,216.20x = 44,071,762,114.46
  5. Step 5: Solve for x
    x = 44,071,762,114.46/221,216.20
  6. Step 6: Final answer
    x = 199,224.84

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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.