Home / 221,484.86-332,271.18-81,244.70

Finding the Fourth Proportional to 221,484.86, 332,271.18 and 81,244.70

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Solution

The fourth proportional to 221,484.86, 332,271.18 and 81,244.70 is: 121,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,484.86 : 332,271.18 = 81,244.70 : x
  2. Step 2: Convert to fraction form
    221,484.86/332,271.18 = 81,244.70/x
  3. Step 3: Cross multiply
    221,484.86x = 332,271.18 × 81,244.70
  4. Step 4: Simplify right side
    221,484.86x = 26,995,272,337.75
  5. Step 5: Solve for x
    x = 26,995,272,337.75/221,484.86
  6. Step 6: Final answer
    x = 121,883.15

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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.