Home / 203,256.05-303,434.02-189,748.56

Finding the Fourth Proportional to 203,256.05, 303,434.02 and 189,748.56

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Solution

The fourth proportional to 203,256.05, 303,434.02 and 189,748.56 is: 283,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,256.05 : 303,434.02 = 189,748.56 : x
  2. Step 2: Convert to fraction form
    203,256.05/303,434.02 = 189,748.56/x
  3. Step 3: Cross multiply
    203,256.05x = 303,434.02 × 189,748.56
  4. Step 4: Simplify right side
    203,256.05x = 57,576,166,832.84
  5. Step 5: Solve for x
    x = 57,576,166,832.84/203,256.05
  6. Step 6: Final answer
    x = 283,269.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.