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Finding the Fourth Proportional to 360,100.12, 540,305.70 and 202,091.80

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Solution

The fourth proportional to 360,100.12, 540,305.70 and 202,091.80 is: 303,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,100.12 : 540,305.70 = 202,091.80 : x
  2. Step 2: Convert to fraction form
    360,100.12/540,305.70 = 202,091.80/x
  3. Step 3: Cross multiply
    360,100.12x = 540,305.70 × 202,091.80
  4. Step 4: Simplify right side
    360,100.12x = 109,191,351,463.26
  5. Step 5: Solve for x
    x = 109,191,351,463.26/360,100.12
  6. Step 6: Final answer
    x = 303,224.98

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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.