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Finding the Fourth Proportional to 360,185.68, 540,108.94 and 210,469.16

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Solution

The fourth proportional to 360,185.68, 540,108.94 and 210,469.16 is: 315,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,185.68 : 540,108.94 = 210,469.16 : x
  2. Step 2: Convert to fraction form
    360,185.68/540,108.94 = 210,469.16/x
  3. Step 3: Cross multiply
    360,185.68x = 540,108.94 × 210,469.16
  4. Step 4: Simplify right side
    360,185.68x = 113,676,274,910.29
  5. Step 5: Solve for x
    x = 113,676,274,910.29/360,185.68
  6. Step 6: Final answer
    x = 315,604.65

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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.