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Finding the Fourth Proportional to 251,536, 347,034.96 and 170,823.52

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Solution

The fourth proportional to 251,536, 347,034.96 and 170,823.52 is: 235,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,536 : 347,034.96 = 170,823.52 : x
  2. Step 2: Convert to fraction form
    251,536/347,034.96 = 170,823.52/x
  3. Step 3: Cross multiply
    251,536x = 347,034.96 × 170,823.52
  4. Step 4: Simplify right side
    251,536x = 59,281,733,430.26
  5. Step 5: Solve for x
    x = 59,281,733,430.26/251,536
  6. Step 6: Final answer
    x = 235,678.92

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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.