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Finding the Fourth Proportional to 347,679.60, 520,914.60 and 160,306.80

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Solution

The fourth proportional to 347,679.60, 520,914.60 and 160,306.80 is: 240,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,679.60 : 520,914.60 = 160,306.80 : x
  2. Step 2: Convert to fraction form
    347,679.60/520,914.60 = 160,306.80/x
  3. Step 3: Cross multiply
    347,679.60x = 520,914.60 × 160,306.80
  4. Step 4: Simplify right side
    347,679.60x = 83,506,152,599.28
  5. Step 5: Solve for x
    x = 83,506,152,599.28/347,679.60
  6. Step 6: Final answer
    x = 240,181.34

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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.