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Finding the Fourth Proportional to 294,229.20, 441,804.60 and 169,813.20

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Solution

The fourth proportional to 294,229.20, 441,804.60 and 169,813.20 is: 254,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,229.20 : 441,804.60 = 169,813.20 : x
  2. Step 2: Convert to fraction form
    294,229.20/441,804.60 = 169,813.20/x
  3. Step 3: Cross multiply
    294,229.20x = 441,804.60 × 169,813.20
  4. Step 4: Simplify right side
    294,229.20x = 75,024,252,900.72
  5. Step 5: Solve for x
    x = 75,024,252,900.72/294,229.20
  6. Step 6: Final answer
    x = 254,985.75

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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.