Home / 221,819.45-332,756.73-86,866.08

Finding the Fourth Proportional to 221,819.45, 332,756.73 and 86,866.08

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Solution

The fourth proportional to 221,819.45, 332,756.73 and 86,866.08 is: 130,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,819.45 : 332,756.73 = 86,866.08 : x
  2. Step 2: Convert to fraction form
    221,819.45/332,756.73 = 86,866.08/x
  3. Step 3: Cross multiply
    221,819.45x = 332,756.73 × 86,866.08
  4. Step 4: Simplify right side
    221,819.45x = 28,905,272,728.72
  5. Step 5: Solve for x
    x = 28,905,272,728.72/221,819.45
  6. Step 6: Final answer
    x = 130,309.91

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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.