Home / 284,660.85-426,646.03-209,080.18

Finding the Fourth Proportional to 284,660.85, 426,646.03 and 209,080.18

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Solution

The fourth proportional to 284,660.85, 426,646.03 and 209,080.18 is: 313,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,660.85 : 426,646.03 = 209,080.18 : x
  2. Step 2: Convert to fraction form
    284,660.85/426,646.03 = 209,080.18/x
  3. Step 3: Cross multiply
    284,660.85x = 426,646.03 × 209,080.18
  4. Step 4: Simplify right side
    284,660.85x = 89,203,228,748.69
  5. Step 5: Solve for x
    x = 89,203,228,748.69/284,660.85
  6. Step 6: Final answer
    x = 313,366.69

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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.