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Finding the Fourth Proportional to 190,335.31, 285,480.88 and 50,104.87

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Solution

The fourth proportional to 190,335.31, 285,480.88 and 50,104.87 is: 75,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,335.31 : 285,480.88 = 50,104.87 : x
  2. Step 2: Convert to fraction form
    190,335.31/285,480.88 = 50,104.87/x
  3. Step 3: Cross multiply
    190,335.31x = 285,480.88 × 50,104.87
  4. Step 4: Simplify right side
    190,335.31x = 14,303,982,379.89
  5. Step 5: Solve for x
    x = 14,303,982,379.89/190,335.31
  6. Step 6: Final answer
    x = 75,151.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.