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Finding the Fourth Proportional to 100,374.71, 150,570.25 and 50,429.03

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Solution

The fourth proportional to 100,374.71, 150,570.25 and 50,429.03 is: 75,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,374.71 : 150,570.25 = 50,429.03 : x
  2. Step 2: Convert to fraction form
    100,374.71/150,570.25 = 50,429.03/x
  3. Step 3: Cross multiply
    100,374.71x = 150,570.25 × 50,429.03
  4. Step 4: Simplify right side
    100,374.71x = 7,593,110,775.43
  5. Step 5: Solve for x
    x = 7,593,110,775.43/100,374.71
  6. Step 6: Final answer
    x = 75,647.65

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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.