Home / 351,091.35-484,564.02-215,200.89

Finding the Fourth Proportional to 351,091.35, 484,564.02 and 215,200.89

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Solution

The fourth proportional to 351,091.35, 484,564.02 and 215,200.89 is: 297,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,091.35 : 484,564.02 = 215,200.89 : x
  2. Step 2: Convert to fraction form
    351,091.35/484,564.02 = 215,200.89/x
  3. Step 3: Cross multiply
    351,091.35x = 484,564.02 × 215,200.89
  4. Step 4: Simplify right side
    351,091.35x = 104,278,608,365.98
  5. Step 5: Solve for x
    x = 104,278,608,365.98/351,091.35
  6. Step 6: Final answer
    x = 297,012.75

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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.