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Finding the Fourth Proportional to 267,285.40, 368,853.80 and 159,855.44

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Solution

The fourth proportional to 267,285.40, 368,853.80 and 159,855.44 is: 220,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,285.40 : 368,853.80 = 159,855.44 : x
  2. Step 2: Convert to fraction form
    267,285.40/368,853.80 = 159,855.44/x
  3. Step 3: Cross multiply
    267,285.40x = 368,853.80 × 159,855.44
  4. Step 4: Simplify right side
    267,285.40x = 58,963,285,050.04
  5. Step 5: Solve for x
    x = 58,963,285,050.04/267,285.40
  6. Step 6: Final answer
    x = 220,600.47

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1.5x scale

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.