Home / 351,977.68-485,601.91-231,184.45

Finding the Fourth Proportional to 351,977.68, 485,601.91 and 231,184.45

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Solution

The fourth proportional to 351,977.68, 485,601.91 and 231,184.45 is: 318,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,977.68 : 485,601.91 = 231,184.45 : x
  2. Step 2: Convert to fraction form
    351,977.68/485,601.91 = 231,184.45/x
  3. Step 3: Cross multiply
    351,977.68x = 485,601.91 × 231,184.45
  4. Step 4: Simplify right side
    351,977.68x = 112,263,610,482.30
  5. Step 5: Solve for x
    x = 112,263,610,482.30/351,977.68
  6. Step 6: Final answer
    x = 318,950.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.