Home / 322,731.23-445,384.88-179,488.20

Finding the Fourth Proportional to 322,731.23, 445,384.88 and 179,488.20

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Solution

The fourth proportional to 322,731.23, 445,384.88 and 179,488.20 is: 247,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,731.23 : 445,384.88 = 179,488.20 : x
  2. Step 2: Convert to fraction form
    322,731.23/445,384.88 = 179,488.20/x
  3. Step 3: Cross multiply
    322,731.23x = 445,384.88 × 179,488.20
  4. Step 4: Simplify right side
    322,731.23x = 79,941,328,106.31
  5. Step 5: Solve for x
    x = 79,941,328,106.31/322,731.23
  6. Step 6: Final answer
    x = 247,702.49

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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.