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Finding the Fourth Proportional to 150,011.80, 225,017.70 and 39,203.80

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Solution

The fourth proportional to 150,011.80, 225,017.70 and 39,203.80 is: 58,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,011.80 : 225,017.70 = 39,203.80 : x
  2. Step 2: Convert to fraction form
    150,011.80/225,017.70 = 39,203.80/x
  3. Step 3: Cross multiply
    150,011.80x = 225,017.70 × 39,203.80
  4. Step 4: Simplify right side
    150,011.80x = 8,821,548,907.26
  5. Step 5: Solve for x
    x = 8,821,548,907.26/150,011.80
  6. Step 6: Final answer
    x = 58,805.70

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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.