Home / 284,672.24-426,663.08-209,091.56

Finding the Fourth Proportional to 284,672.24, 426,663.08 and 209,091.56

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Solution

The fourth proportional to 284,672.24, 426,663.08 and 209,091.56 is: 313,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,672.24 : 426,663.08 = 209,091.56 : x
  2. Step 2: Convert to fraction form
    284,672.24/426,663.08 = 209,091.56/x
  3. Step 3: Cross multiply
    284,672.24x = 426,663.08 × 209,091.56
  4. Step 4: Simplify right side
    284,672.24x = 89,211,648,991.60
  5. Step 5: Solve for x
    x = 89,211,648,991.60/284,672.24
  6. Step 6: Final answer
    x = 313,383.73

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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.