Home / 296,721.80-409,252.74-206,077.94

Finding the Fourth Proportional to 296,721.80, 409,252.74 and 206,077.94

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Solution

The fourth proportional to 296,721.80, 409,252.74 and 206,077.94 is: 284,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,721.80 : 409,252.74 = 206,077.94 : x
  2. Step 2: Convert to fraction form
    296,721.80/409,252.74 = 206,077.94/x
  3. Step 3: Cross multiply
    296,721.80x = 409,252.74 × 206,077.94
  4. Step 4: Simplify right side
    296,721.80x = 84,337,961,598.56
  5. Step 5: Solve for x
    x = 84,337,961,598.56/296,721.80
  6. Step 6: Final answer
    x = 284,232.44

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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.