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Finding the Fourth Proportional to 253,963.65, 350,420.48 and 150,578.75

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Solution

The fourth proportional to 253,963.65, 350,420.48 and 150,578.75 is: 207,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,963.65 : 350,420.48 = 150,578.75 : x
  2. Step 2: Convert to fraction form
    253,963.65/350,420.48 = 150,578.75/x
  3. Step 3: Cross multiply
    253,963.65x = 350,420.48 × 150,578.75
  4. Step 4: Simplify right side
    253,963.65x = 52,765,879,387.63
  5. Step 5: Solve for x
    x = 52,765,879,387.63/253,963.65
  6. Step 6: Final answer
    x = 207,769.41

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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.