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Finding the Fourth Proportional to 602,438.28, 903,660.51 and 203,082.48

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Solution

The fourth proportional to 602,438.28, 903,660.51 and 203,082.48 is: 304,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,438.28 : 903,660.51 = 203,082.48 : x
  2. Step 2: Convert to fraction form
    602,438.28/903,660.51 = 203,082.48/x
  3. Step 3: Cross multiply
    602,438.28x = 903,660.51 × 203,082.48
  4. Step 4: Simplify right side
    602,438.28x = 183,517,617,448.87
  5. Step 5: Solve for x
    x = 183,517,617,448.87/602,438.28
  6. Step 6: Final answer
    x = 304,624.76

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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.