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Finding the Fourth Proportional to 262,552.80, 393,926.40 and 252,832.80

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Solution

The fourth proportional to 262,552.80, 393,926.40 and 252,832.80 is: 379,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,552.80 : 393,926.40 = 252,832.80 : x
  2. Step 2: Convert to fraction form
    262,552.80/393,926.40 = 252,832.80/x
  3. Step 3: Cross multiply
    262,552.80x = 393,926.40 × 252,832.80
  4. Step 4: Simplify right side
    262,552.80x = 99,597,514,705.92
  5. Step 5: Solve for x
    x = 99,597,514,705.92/262,552.80
  6. Step 6: Final answer
    x = 379,342.80

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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.