Home / 284,513.28-426,833.42-107,021.76

Finding the Fourth Proportional to 284,513.28, 426,833.42 and 107,021.76

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Solution

The fourth proportional to 284,513.28, 426,833.42 and 107,021.76 is: 160,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,513.28 : 426,833.42 = 107,021.76 : x
  2. Step 2: Convert to fraction form
    284,513.28/426,833.42 = 107,021.76/x
  3. Step 3: Cross multiply
    284,513.28x = 426,833.42 × 107,021.76
  4. Step 4: Simplify right side
    284,513.28x = 45,680,463,835.22
  5. Step 5: Solve for x
    x = 45,680,463,835.22/284,513.28
  6. Step 6: Final answer
    x = 160,556.53

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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.