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Finding the Fourth Proportional to 240,684.65, 331,943.03 and 154,657.63

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Solution

The fourth proportional to 240,684.65, 331,943.03 and 154,657.63 is: 213,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,684.65 : 331,943.03 = 154,657.63 : x
  2. Step 2: Convert to fraction form
    240,684.65/331,943.03 = 154,657.63/x
  3. Step 3: Cross multiply
    240,684.65x = 331,943.03 × 154,657.63
  4. Step 4: Simplify right side
    240,684.65x = 51,337,524,029.64
  5. Step 5: Solve for x
    x = 51,337,524,029.64/240,684.65
  6. Step 6: Final answer
    x = 213,297.88

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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.