Home / 311,983.56-430,537.40-176,046.32

Finding the Fourth Proportional to 311,983.56, 430,537.40 and 176,046.32

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Solution

The fourth proportional to 311,983.56, 430,537.40 and 176,046.32 is: 242,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,983.56 : 430,537.40 = 176,046.32 : x
  2. Step 2: Convert to fraction form
    311,983.56/430,537.40 = 176,046.32/x
  3. Step 3: Cross multiply
    311,983.56x = 430,537.40 × 176,046.32
  4. Step 4: Simplify right side
    311,983.56x = 75,794,521,859.45
  5. Step 5: Solve for x
    x = 75,794,521,859.45/311,983.56
  6. Step 6: Final answer
    x = 242,943.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.