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Finding the Fourth Proportional to 347,505.60, 520,383.60 and 228,532.80

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Solution

The fourth proportional to 347,505.60, 520,383.60 and 228,532.80 is: 342,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,505.60 : 520,383.60 = 228,532.80 : x
  2. Step 2: Convert to fraction form
    347,505.60/520,383.60 = 228,532.80/x
  3. Step 3: Cross multiply
    347,505.60x = 520,383.60 × 228,532.80
  4. Step 4: Simplify right side
    347,505.60x = 118,924,721,182.08
  5. Step 5: Solve for x
    x = 118,924,721,182.08/347,505.60
  6. Step 6: Final answer
    x = 342,223.90

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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.