Home / 253,868.41-380,402.07-93,723.94

Finding the Fourth Proportional to 253,868.41, 380,402.07 and 93,723.94

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Solution

The fourth proportional to 253,868.41, 380,402.07 and 93,723.94 is: 140,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,868.41 : 380,402.07 = 93,723.94 : x
  2. Step 2: Convert to fraction form
    253,868.41/380,402.07 = 93,723.94/x
  3. Step 3: Cross multiply
    253,868.41x = 380,402.07 × 93,723.94
  4. Step 4: Simplify right side
    253,868.41x = 35,652,780,784.56
  5. Step 5: Solve for x
    x = 35,652,780,784.56/253,868.41
  6. Step 6: Final answer
    x = 140,438.04

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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.