Home / 278,181.94-383,887.70-150,856.06

Finding the Fourth Proportional to 278,181.94, 383,887.70 and 150,856.06

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Solution

The fourth proportional to 278,181.94, 383,887.70 and 150,856.06 is: 208,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,181.94 : 383,887.70 = 150,856.06 : x
  2. Step 2: Convert to fraction form
    278,181.94/383,887.70 = 150,856.06/x
  3. Step 3: Cross multiply
    278,181.94x = 383,887.70 × 150,856.06
  4. Step 4: Simplify right side
    278,181.94x = 57,911,785,904.46
  5. Step 5: Solve for x
    x = 57,911,785,904.46/278,181.94
  6. Step 6: Final answer
    x = 208,179.53

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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.