Home / 284,811.15-426,965.30-107,442.72

Finding the Fourth Proportional to 284,811.15, 426,965.30 and 107,442.72

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Solution

The fourth proportional to 284,811.15, 426,965.30 and 107,442.72 is: 161,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,811.15 : 426,965.30 = 107,442.72 : x
  2. Step 2: Convert to fraction form
    284,811.15/426,965.30 = 107,442.72/x
  3. Step 3: Cross multiply
    284,811.15x = 426,965.30 × 107,442.72
  4. Step 4: Simplify right side
    284,811.15x = 45,874,311,042.79
  5. Step 5: Solve for x
    x = 45,874,311,042.79/284,811.15
  6. Step 6: Final answer
    x = 161,069.22

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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.