Home / 276,815.17-379,513.50-271,770.64

Finding the Fourth Proportional to 276,815.17, 379,513.50 and 271,770.64

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Solution

The fourth proportional to 276,815.17, 379,513.50 and 271,770.64 is: 372,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,815.17 : 379,513.50 = 271,770.64 : x
  2. Step 2: Convert to fraction form
    276,815.17/379,513.50 = 271,770.64/x
  3. Step 3: Cross multiply
    276,815.17x = 379,513.50 × 271,770.64
  4. Step 4: Simplify right side
    276,815.17x = 103,140,628,479.19
  5. Step 5: Solve for x
    x = 103,140,628,479.19/276,815.17
  6. Step 6: Final answer
    x = 372,597.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.