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Finding the Fourth Proportional to 299,877.87, 413,831.11 and 163,912.71

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Solution

The fourth proportional to 299,877.87, 413,831.11 and 163,912.71 is: 226,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,877.87 : 413,831.11 = 163,912.71 : x
  2. Step 2: Convert to fraction form
    299,877.87/413,831.11 = 163,912.71/x
  3. Step 3: Cross multiply
    299,877.87x = 413,831.11 × 163,912.71
  4. Step 4: Simplify right side
    299,877.87x = 67,832,178,722.41
  5. Step 5: Solve for x
    x = 67,832,178,722.41/299,877.87
  6. Step 6: Final answer
    x = 226,199.35

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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.