Home / 284,204.20-426,536.70-274,988.20

Finding the Fourth Proportional to 284,204.20, 426,536.70 and 274,988.20

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Solution

The fourth proportional to 284,204.20, 426,536.70 and 274,988.20 is: 412,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,204.20 : 426,536.70 = 274,988.20 : x
  2. Step 2: Convert to fraction form
    284,204.20/426,536.70 = 274,988.20/x
  3. Step 3: Cross multiply
    284,204.20x = 426,536.70 × 274,988.20
  4. Step 4: Simplify right side
    284,204.20x = 117,292,559,366.94
  5. Step 5: Solve for x
    x = 117,292,559,366.94/284,204.20
  6. Step 6: Final answer
    x = 412,705.23

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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.