Home / 296,862.32-445,405.56-178,616.70

Finding the Fourth Proportional to 296,862.32, 445,405.56 and 178,616.70

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Solution

The fourth proportional to 296,862.32, 445,405.56 and 178,616.70 is: 267,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,862.32 : 445,405.56 = 178,616.70 : x
  2. Step 2: Convert to fraction form
    296,862.32/445,405.56 = 178,616.70/x
  3. Step 3: Cross multiply
    296,862.32x = 445,405.56 × 178,616.70
  4. Step 4: Simplify right side
    296,862.32x = 79,556,871,288.85
  5. Step 5: Solve for x
    x = 79,556,871,288.85/296,862.32
  6. Step 6: Final answer
    x = 267,992.49

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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.