Home / 223,614.32-308,885.36-220,361.18

Finding the Fourth Proportional to 223,614.32, 308,885.36 and 220,361.18

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Solution

The fourth proportional to 223,614.32, 308,885.36 and 220,361.18 is: 304,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,614.32 : 308,885.36 = 220,361.18 : x
  2. Step 2: Convert to fraction form
    223,614.32/308,885.36 = 220,361.18/x
  3. Step 3: Cross multiply
    223,614.32x = 308,885.36 × 220,361.18
  4. Step 4: Simplify right side
    223,614.32x = 68,066,339,768.09
  5. Step 5: Solve for x
    x = 68,066,339,768.09/223,614.32
  6. Step 6: Final answer
    x = 304,391.69

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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.