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Finding the Fourth Proportional to 301,743.75, 452,615.67 and 80,127.75

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Solution

The fourth proportional to 301,743.75, 452,615.67 and 80,127.75 is: 120,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,743.75 : 452,615.67 = 80,127.75 : x
  2. Step 2: Convert to fraction form
    301,743.75/452,615.67 = 80,127.75/x
  3. Step 3: Cross multiply
    301,743.75x = 452,615.67 × 80,127.75
  4. Step 4: Simplify right side
    301,743.75x = 36,267,075,251.84
  5. Step 5: Solve for x
    x = 36,267,075,251.84/301,743.75
  6. Step 6: Final answer
    x = 120,191.64

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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.