Home / 358,207.20-494,315.73-194,858.55

Finding the Fourth Proportional to 358,207.20, 494,315.73 and 194,858.55

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Solution

The fourth proportional to 358,207.20, 494,315.73 and 194,858.55 is: 268,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,207.20 : 494,315.73 = 194,858.55 : x
  2. Step 2: Convert to fraction form
    358,207.20/494,315.73 = 194,858.55/x
  3. Step 3: Cross multiply
    358,207.20x = 494,315.73 × 194,858.55
  4. Step 4: Simplify right side
    358,207.20x = 96,321,646,389.99
  5. Step 5: Solve for x
    x = 96,321,646,389.99/358,207.20
  6. Step 6: Final answer
    x = 268,899.25

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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.