Home / 486,813.43-671,808.09-269,021.17

Finding the Fourth Proportional to 486,813.43, 671,808.09 and 269,021.17

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Solution

The fourth proportional to 486,813.43, 671,808.09 and 269,021.17 is: 371,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,813.43 : 671,808.09 = 269,021.17 : x
  2. Step 2: Convert to fraction form
    486,813.43/671,808.09 = 269,021.17/x
  3. Step 3: Cross multiply
    486,813.43x = 671,808.09 × 269,021.17
  4. Step 4: Simplify right side
    486,813.43x = 180,730,598,387.27
  5. Step 5: Solve for x
    x = 180,730,598,387.27/486,813.43
  6. Step 6: Final answer
    x = 371,252.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.