Home / 284,220.86-425,961.06-115,544.16

Finding the Fourth Proportional to 284,220.86, 425,961.06 and 115,544.16

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Solution

The fourth proportional to 284,220.86, 425,961.06 and 115,544.16 is: 173,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,220.86 : 425,961.06 = 115,544.16 : x
  2. Step 2: Convert to fraction form
    284,220.86/425,961.06 = 115,544.16/x
  3. Step 3: Cross multiply
    284,220.86x = 425,961.06 × 115,544.16
  4. Step 4: Simplify right side
    284,220.86x = 49,217,312,870.41
  5. Step 5: Solve for x
    x = 49,217,312,870.41/284,220.86
  6. Step 6: Final answer
    x = 173,165.73

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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.