Home / 284,661.24-426,646.58-209,080.56

Finding the Fourth Proportional to 284,661.24, 426,646.58 and 209,080.56

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Solution

The fourth proportional to 284,661.24, 426,646.58 and 209,080.56 is: 313,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,661.24 : 426,646.58 = 209,080.56 : x
  2. Step 2: Convert to fraction form
    284,661.24/426,646.58 = 209,080.56/x
  3. Step 3: Cross multiply
    284,661.24x = 426,646.58 × 209,080.56
  4. Step 4: Simplify right side
    284,661.24x = 89,203,505,868.48
  5. Step 5: Solve for x
    x = 89,203,505,868.48/284,661.24
  6. Step 6: Final answer
    x = 313,367.24

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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.