Home / 276,111.96-380,878.83-165,702.39

Finding the Fourth Proportional to 276,111.96, 380,878.83 and 165,702.39

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Solution

The fourth proportional to 276,111.96, 380,878.83 and 165,702.39 is: 228,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,111.96 : 380,878.83 = 165,702.39 : x
  2. Step 2: Convert to fraction form
    276,111.96/380,878.83 = 165,702.39/x
  3. Step 3: Cross multiply
    276,111.96x = 380,878.83 × 165,702.39
  4. Step 4: Simplify right side
    276,111.96x = 63,112,532,431.40
  5. Step 5: Solve for x
    x = 63,112,532,431.40/276,111.96
  6. Step 6: Final answer
    x = 228,575.87

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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.