Home / 342,088.24-472,156.71-198,930.86

Finding the Fourth Proportional to 342,088.24, 472,156.71 and 198,930.86

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Solution

The fourth proportional to 342,088.24, 472,156.71 and 198,930.86 is: 274,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,088.24 : 472,156.71 = 198,930.86 : x
  2. Step 2: Convert to fraction form
    342,088.24/472,156.71 = 198,930.86/x
  3. Step 3: Cross multiply
    342,088.24x = 472,156.71 × 198,930.86
  4. Step 4: Simplify right side
    342,088.24x = 93,926,542,813.75
  5. Step 5: Solve for x
    x = 93,926,542,813.75/342,088.24
  6. Step 6: Final answer
    x = 274,568.17

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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.