Home / 303,209.02-418,376.24-194,408.51

Finding the Fourth Proportional to 303,209.02, 418,376.24 and 194,408.51

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Solution

The fourth proportional to 303,209.02, 418,376.24 and 194,408.51 is: 268,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,209.02 : 418,376.24 = 194,408.51 : x
  2. Step 2: Convert to fraction form
    303,209.02/418,376.24 = 194,408.51/x
  3. Step 3: Cross multiply
    303,209.02x = 418,376.24 × 194,408.51
  4. Step 4: Simplify right side
    303,209.02x = 81,335,899,102.91
  5. Step 5: Solve for x
    x = 81,335,899,102.91/303,209.02
  6. Step 6: Final answer
    x = 268,250.26

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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.