Home / 276,264.85-381,018.04-162,978.25

Finding the Fourth Proportional to 276,264.85, 381,018.04 and 162,978.25

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Solution

The fourth proportional to 276,264.85, 381,018.04 and 162,978.25 is: 224,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,264.85 : 381,018.04 = 162,978.25 : x
  2. Step 2: Convert to fraction form
    276,264.85/381,018.04 = 162,978.25/x
  3. Step 3: Cross multiply
    276,264.85x = 381,018.04 × 162,978.25
  4. Step 4: Simplify right side
    276,264.85x = 62,097,653,377.63
  5. Step 5: Solve for x
    x = 62,097,653,377.63/276,264.85
  6. Step 6: Final answer
    x = 224,775.80

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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.