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Finding the Fourth Proportional to 243,832.83, 336,490.52 and 136,402.80

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Solution

The fourth proportional to 243,832.83, 336,490.52 and 136,402.80 is: 188,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,832.83 : 336,490.52 = 136,402.80 : x
  2. Step 2: Convert to fraction form
    243,832.83/336,490.52 = 136,402.80/x
  3. Step 3: Cross multiply
    243,832.83x = 336,490.52 × 136,402.80
  4. Step 4: Simplify right side
    243,832.83x = 45,898,248,419.44
  5. Step 5: Solve for x
    x = 45,898,248,419.44/243,832.83
  6. Step 6: Final answer
    x = 188,236.54

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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.