Home / 358,266.23-494,419.19-205,333.71

Finding the Fourth Proportional to 358,266.23, 494,419.19 and 205,333.71

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Solution

The fourth proportional to 358,266.23, 494,419.19 and 205,333.71 is: 283,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,266.23 : 494,419.19 = 205,333.71 : x
  2. Step 2: Convert to fraction form
    358,266.23/494,419.19 = 205,333.71/x
  3. Step 3: Cross multiply
    358,266.23x = 494,419.19 × 205,333.71
  4. Step 4: Simplify right side
    358,266.23x = 101,520,925,551.23
  5. Step 5: Solve for x
    x = 101,520,925,551.23/358,266.23
  6. Step 6: Final answer
    x = 283,367.28

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1.5x scale

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.