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Finding the Fourth Proportional to 100,308.29, 150,418.70 and 37,935.05

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Solution

The fourth proportional to 100,308.29, 150,418.70 and 37,935.05 is: 56,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,308.29 : 150,418.70 = 37,935.05 : x
  2. Step 2: Convert to fraction form
    100,308.29/150,418.70 = 37,935.05/x
  3. Step 3: Cross multiply
    100,308.29x = 150,418.70 × 37,935.05
  4. Step 4: Simplify right side
    100,308.29x = 5,706,141,282.65
  5. Step 5: Solve for x
    x = 5,706,141,282.65/100,308.29
  6. Step 6: Final answer
    x = 56,886.04

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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.