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Finding the Fourth Proportional to 347,873.50, 521,872.53 and 179,348.58

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Solution

The fourth proportional to 347,873.50, 521,872.53 and 179,348.58 is: 269,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,873.50 : 521,872.53 = 179,348.58 : x
  2. Step 2: Convert to fraction form
    347,873.50/521,872.53 = 179,348.58/x
  3. Step 3: Cross multiply
    347,873.50x = 521,872.53 × 179,348.58
  4. Step 4: Simplify right side
    347,873.50x = 93,597,097,784.99
  5. Step 5: Solve for x
    x = 93,597,097,784.99/347,873.50
  6. Step 6: Final answer
    x = 269,054.98

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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.