Home / 356,610.20-534,914.35-90,369.95

Finding the Fourth Proportional to 356,610.20, 534,914.35 and 90,369.95

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Solution

The fourth proportional to 356,610.20, 534,914.35 and 90,369.95 is: 135,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,610.20 : 534,914.35 = 90,369.95 : x
  2. Step 2: Convert to fraction form
    356,610.20/534,914.35 = 90,369.95/x
  3. Step 3: Cross multiply
    356,610.20x = 534,914.35 × 90,369.95
  4. Step 4: Simplify right side
    356,610.20x = 48,340,180,163.29
  5. Step 5: Solve for x
    x = 48,340,180,163.29/356,610.20
  6. Step 6: Final answer
    x = 135,554.68

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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.