Home / 284,212.21-425,948.09-115,535.51

Finding the Fourth Proportional to 284,212.21, 425,948.09 and 115,535.51

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Solution

The fourth proportional to 284,212.21, 425,948.09 and 115,535.51 is: 173,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,212.21 : 425,948.09 = 115,535.51 : x
  2. Step 2: Convert to fraction form
    284,212.21/425,948.09 = 115,535.51/x
  3. Step 3: Cross multiply
    284,212.21x = 425,948.09 × 115,535.51
  4. Step 4: Simplify right side
    284,212.21x = 49,212,129,811.68
  5. Step 5: Solve for x
    x = 49,212,129,811.68/284,212.21
  6. Step 6: Final answer
    x = 173,152.76

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1.5x scale

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.