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Finding the Fourth Proportional to 243,348.02, 335,816.73 and 135,919.58

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Solution

The fourth proportional to 243,348.02, 335,816.73 and 135,919.58 is: 187,567.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,348.02 : 335,816.73 = 135,919.58 : x
  2. Step 2: Convert to fraction form
    243,348.02/335,816.73 = 135,919.58/x
  3. Step 3: Cross multiply
    243,348.02x = 335,816.73 × 135,919.58
  4. Step 4: Simplify right side
    243,348.02x = 45,644,068,898.57
  5. Step 5: Solve for x
    x = 45,644,068,898.57/243,348.02
  6. Step 6: Final answer
    x = 187,567.04

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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.