Home / 358,387.45-494,518.02-205,396.18

Finding the Fourth Proportional to 358,387.45, 494,518.02 and 205,396.18

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Solution

The fourth proportional to 358,387.45, 494,518.02 and 205,396.18 is: 283,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,387.45 : 494,518.02 = 205,396.18 : x
  2. Step 2: Convert to fraction form
    358,387.45/494,518.02 = 205,396.18/x
  3. Step 3: Cross multiply
    358,387.45x = 494,518.02 × 205,396.18
  4. Step 4: Simplify right side
    358,387.45x = 101,572,112,249.16
  5. Step 5: Solve for x
    x = 101,572,112,249.16/358,387.45
  6. Step 6: Final answer
    x = 283,414.26

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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.