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Finding the Fourth Proportional to 248,160.62, 342,522.50 and 140,793.50

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Solution

The fourth proportional to 248,160.62, 342,522.50 and 140,793.50 is: 194,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,160.62 : 342,522.50 = 140,793.50 : x
  2. Step 2: Convert to fraction form
    248,160.62/342,522.50 = 140,793.50/x
  3. Step 3: Cross multiply
    248,160.62x = 342,522.50 × 140,793.50
  4. Step 4: Simplify right side
    248,160.62x = 48,224,939,187.17
  5. Step 5: Solve for x
    x = 48,224,939,187.17/248,160.62
  6. Step 6: Final answer
    x = 194,329.54

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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.