Home / 270,198.63-372,680.73-189,644.13

Finding the Fourth Proportional to 270,198.63, 372,680.73 and 189,644.13

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Solution

The fourth proportional to 270,198.63, 372,680.73 and 189,644.13 is: 261,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,198.63 : 372,680.73 = 189,644.13 : x
  2. Step 2: Convert to fraction form
    270,198.63/372,680.73 = 189,644.13/x
  3. Step 3: Cross multiply
    270,198.63x = 372,680.73 × 189,644.13
  4. Step 4: Simplify right side
    270,198.63x = 70,676,712,808.61
  5. Step 5: Solve for x
    x = 70,676,712,808.61/270,198.63
  6. Step 6: Final answer
    x = 261,573.17

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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.