Home / 276,200.93-381,209.69-172,883.07

Finding the Fourth Proportional to 276,200.93, 381,209.69 and 172,883.07

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Solution

The fourth proportional to 276,200.93, 381,209.69 and 172,883.07 is: 238,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,200.93 : 381,209.69 = 172,883.07 : x
  2. Step 2: Convert to fraction form
    276,200.93/381,209.69 = 172,883.07/x
  3. Step 3: Cross multiply
    276,200.93x = 381,209.69 × 172,883.07
  4. Step 4: Simplify right side
    276,200.93x = 65,904,701,953.16
  5. Step 5: Solve for x
    x = 65,904,701,953.16/276,200.93
  6. Step 6: Final answer
    x = 238,611.44

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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.