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Finding the Fourth Proportional to 479,750.50, 662,114.02 and 278,546.50

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Solution

The fourth proportional to 479,750.50, 662,114.02 and 278,546.50 is: 384,428.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,750.50 : 662,114.02 = 278,546.50 : x
  2. Step 2: Convert to fraction form
    479,750.50/662,114.02 = 278,546.50/x
  3. Step 3: Cross multiply
    479,750.50x = 662,114.02 × 278,546.50
  4. Step 4: Simplify right side
    479,750.50x = 184,429,542,871.93
  5. Step 5: Solve for x
    x = 184,429,542,871.93/479,750.50
  6. Step 6: Final answer
    x = 384,428.04

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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.