Home / 358,218.24-494,411.82-205,359.06

Finding the Fourth Proportional to 358,218.24, 494,411.82 and 205,359.06

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Solution

The fourth proportional to 358,218.24, 494,411.82 and 205,359.06 is: 283,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,218.24 : 494,411.82 = 205,359.06 : x
  2. Step 2: Convert to fraction form
    358,218.24/494,411.82 = 205,359.06/x
  3. Step 3: Cross multiply
    358,218.24x = 494,411.82 × 205,359.06
  4. Step 4: Simplify right side
    358,218.24x = 101,531,946,608.09
  5. Step 5: Solve for x
    x = 101,531,946,608.09/358,218.24
  6. Step 6: Final answer
    x = 283,436.00

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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.