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Finding the Fourth Proportional to 251,878.56, 375,853.20 and 229,522.56

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Solution

The fourth proportional to 251,878.56, 375,853.20 and 229,522.56 is: 342,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,878.56 : 375,853.20 = 229,522.56 : x
  2. Step 2: Convert to fraction form
    251,878.56/375,853.20 = 229,522.56/x
  3. Step 3: Cross multiply
    251,878.56x = 375,853.20 × 229,522.56
  4. Step 4: Simplify right side
    251,878.56x = 86,266,788,648.19
  5. Step 5: Solve for x
    x = 86,266,788,648.19/251,878.56
  6. Step 6: Final answer
    x = 342,493.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.