Home / 318,240.03-477,324.41-81,588.27

Finding the Fourth Proportional to 318,240.03, 477,324.41 and 81,588.27

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Solution

The fourth proportional to 318,240.03, 477,324.41 and 81,588.27 is: 122,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,240.03 : 477,324.41 = 81,588.27 : x
  2. Step 2: Convert to fraction form
    318,240.03/477,324.41 = 81,588.27/x
  3. Step 3: Cross multiply
    318,240.03x = 477,324.41 × 81,588.27
  4. Step 4: Simplify right side
    318,240.03x = 38,944,072,432.73
  5. Step 5: Solve for x
    x = 38,944,072,432.73/318,240.03
  6. Step 6: Final answer
    x = 122,373.27

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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.