Home / 351,146.88-484,599.82-215,188.38

Finding the Fourth Proportional to 351,146.88, 484,599.82 and 215,188.38

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Solution

The fourth proportional to 351,146.88, 484,599.82 and 215,188.38 is: 296,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,146.88 : 484,599.82 = 215,188.38 : x
  2. Step 2: Convert to fraction form
    351,146.88/484,599.82 = 215,188.38/x
  3. Step 3: Cross multiply
    351,146.88x = 484,599.82 × 215,188.38
  4. Step 4: Simplify right side
    351,146.88x = 104,280,250,214.09
  5. Step 5: Solve for x
    x = 104,280,250,214.09/351,146.88
  6. Step 6: Final answer
    x = 296,970.46

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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.