Home / 358,465.25-494,682.02-195,122.40

Finding the Fourth Proportional to 358,465.25, 494,682.02 and 195,122.40

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Solution

The fourth proportional to 358,465.25, 494,682.02 and 195,122.40 is: 269,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,465.25 : 494,682.02 = 195,122.40 : x
  2. Step 2: Convert to fraction form
    358,465.25/494,682.02 = 195,122.40/x
  3. Step 3: Cross multiply
    358,465.25x = 494,682.02 × 195,122.40
  4. Step 4: Simplify right side
    358,465.25x = 96,523,540,880.29
  5. Step 5: Solve for x
    x = 96,523,540,880.29/358,465.25
  6. Step 6: Final answer
    x = 269,268.89

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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.