Home / 205,071.36-307,576.32-170,234.88

Finding the Fourth Proportional to 205,071.36, 307,576.32 and 170,234.88

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Solution

The fourth proportional to 205,071.36, 307,576.32 and 170,234.88 is: 255,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,071.36 : 307,576.32 = 170,234.88 : x
  2. Step 2: Convert to fraction form
    205,071.36/307,576.32 = 170,234.88/x
  3. Step 3: Cross multiply
    205,071.36x = 307,576.32 × 170,234.88
  4. Step 4: Simplify right side
    205,071.36x = 52,360,217,926.04
  5. Step 5: Solve for x
    x = 52,360,217,926.04/205,071.36
  6. Step 6: Final answer
    x = 255,326.82

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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.