Home / 284,640.24-426,369.84-165,951.60

Finding the Fourth Proportional to 284,640.24, 426,369.84 and 165,951.60

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Solution

The fourth proportional to 284,640.24, 426,369.84 and 165,951.60 is: 248,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,640.24 : 426,369.84 = 165,951.60 : x
  2. Step 2: Convert to fraction form
    284,640.24/426,369.84 = 165,951.60/x
  3. Step 3: Cross multiply
    284,640.24x = 426,369.84 × 165,951.60
  4. Step 4: Simplify right side
    284,640.24x = 70,756,757,139.74
  5. Step 5: Solve for x
    x = 70,756,757,139.74/284,640.24
  6. Step 6: Final answer
    x = 248,583.11

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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.