Home / 276,193.19-381,198.95-172,875.31

Finding the Fourth Proportional to 276,193.19, 381,198.95 and 172,875.31

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Solution

The fourth proportional to 276,193.19, 381,198.95 and 172,875.31 is: 238,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,193.19 : 381,198.95 = 172,875.31 : x
  2. Step 2: Convert to fraction form
    276,193.19/381,198.95 = 172,875.31/x
  3. Step 3: Cross multiply
    276,193.19x = 381,198.95 × 172,875.31
  4. Step 4: Simplify right side
    276,193.19x = 65,899,885,483.83
  5. Step 5: Solve for x
    x = 65,899,885,483.83/276,193.19
  6. Step 6: Final answer
    x = 238,600.69

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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.