Home / 358,049.61-494,121.47-205,117.36

Finding the Fourth Proportional to 358,049.61, 494,121.47 and 205,117.36

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Solution

The fourth proportional to 358,049.61, 494,121.47 and 205,117.36 is: 283,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,049.61 : 494,121.47 = 205,117.36 : x
  2. Step 2: Convert to fraction form
    358,049.61/494,121.47 = 205,117.36/x
  3. Step 3: Cross multiply
    358,049.61x = 494,121.47 × 205,117.36
  4. Step 4: Simplify right side
    358,049.61x = 101,352,891,445.72
  5. Step 5: Solve for x
    x = 101,352,891,445.72/358,049.61
  6. Step 6: Final answer
    x = 283,069.41

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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.