Home / 253,228.41-379,306.67-164,217.51

Finding the Fourth Proportional to 253,228.41, 379,306.67 and 164,217.51

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Solution

The fourth proportional to 253,228.41, 379,306.67 and 164,217.51 is: 245,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,228.41 : 379,306.67 = 164,217.51 : x
  2. Step 2: Convert to fraction form
    253,228.41/379,306.67 = 164,217.51/x
  3. Step 3: Cross multiply
    253,228.41x = 379,306.67 × 164,217.51
  4. Step 4: Simplify right side
    253,228.41x = 62,288,796,052.70
  5. Step 5: Solve for x
    x = 62,288,796,052.70/253,228.41
  6. Step 6: Final answer
    x = 245,978.70

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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.