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Finding the Fourth Proportional to 294,843.60, 442,407.60 and 145,002.60

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Solution

The fourth proportional to 294,843.60, 442,407.60 and 145,002.60 is: 217,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,843.60 : 442,407.60 = 145,002.60 : x
  2. Step 2: Convert to fraction form
    294,843.60/442,407.60 = 145,002.60/x
  3. Step 3: Cross multiply
    294,843.60x = 442,407.60 × 145,002.60
  4. Step 4: Simplify right side
    294,843.60x = 64,150,252,259.76
  5. Step 5: Solve for x
    x = 64,150,252,259.76/294,843.60
  6. Step 6: Final answer
    x = 217,573.83

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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.