Home / 353,464.72-487,766.68-192,320.38

Finding the Fourth Proportional to 353,464.72, 487,766.68 and 192,320.38

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Solution

The fourth proportional to 353,464.72, 487,766.68 and 192,320.38 is: 265,394.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,464.72 : 487,766.68 = 192,320.38 : x
  2. Step 2: Convert to fraction form
    353,464.72/487,766.68 = 192,320.38/x
  3. Step 3: Cross multiply
    353,464.72x = 487,766.68 × 192,320.38
  4. Step 4: Simplify right side
    353,464.72x = 93,807,473,248.94
  5. Step 5: Solve for x
    x = 93,807,473,248.94/353,464.72
  6. Step 6: Final answer
    x = 265,394.16

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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.