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Finding the Fourth Proportional to 345,951.20, 520,093.20 and 294,629.60

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Solution

The fourth proportional to 345,951.20, 520,093.20 and 294,629.60 is: 442,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,951.20 : 520,093.20 = 294,629.60 : x
  2. Step 2: Convert to fraction form
    345,951.20/520,093.20 = 294,629.60/x
  3. Step 3: Cross multiply
    345,951.20x = 520,093.20 × 294,629.60
  4. Step 4: Simplify right side
    345,951.20x = 153,234,851,478.72
  5. Step 5: Solve for x
    x = 153,234,851,478.72/345,951.20
  6. Step 6: Final answer
    x = 442,937.77

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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.