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Finding the Fourth Proportional to 347,427.60, 520,266.60 and 228,454.80

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Solution

The fourth proportional to 347,427.60, 520,266.60 and 228,454.80 is: 342,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,427.60 : 520,266.60 = 228,454.80 : x
  2. Step 2: Convert to fraction form
    347,427.60/520,266.60 = 228,454.80/x
  3. Step 3: Cross multiply
    347,427.60x = 520,266.60 × 228,454.80
  4. Step 4: Simplify right side
    347,427.60x = 118,857,402,049.68
  5. Step 5: Solve for x
    x = 118,857,402,049.68/347,427.60
  6. Step 6: Final answer
    x = 342,106.97

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1.5x scale

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.