Home / 221,043.16-331,567-176,950.20

Finding the Fourth Proportional to 221,043.16, 331,567 and 176,950.20

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Solution

The fourth proportional to 221,043.16, 331,567 and 176,950.20 is: 265,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,043.16 : 331,567 = 176,950.20 : x
  2. Step 2: Convert to fraction form
    221,043.16/331,567 = 176,950.20/x
  3. Step 3: Cross multiply
    221,043.16x = 331,567 × 176,950.20
  4. Step 4: Simplify right side
    221,043.16x = 58,670,846,963.40
  5. Step 5: Solve for x
    x = 58,670,846,963.40/221,043.16
  6. Step 6: Final answer
    x = 265,427.11

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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.