Home / 221,022.28-331,535.72-176,929.32

Finding the Fourth Proportional to 221,022.28, 331,535.72 and 176,929.32

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Solution

The fourth proportional to 221,022.28, 331,535.72 and 176,929.32 is: 265,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,022.28 : 331,535.72 = 176,929.32 : x
  2. Step 2: Convert to fraction form
    221,022.28/331,535.72 = 176,929.32/x
  3. Step 3: Cross multiply
    221,022.28x = 331,535.72 × 176,929.32
  4. Step 4: Simplify right side
    221,022.28x = 58,658,389,495.31
  5. Step 5: Solve for x
    x = 58,658,389,495.31/221,022.28
  6. Step 6: Final answer
    x = 265,395.82

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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.