Home / 291,947.43-402,887.51-164,623.02

Finding the Fourth Proportional to 291,947.43, 402,887.51 and 164,623.02

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Solution

The fourth proportional to 291,947.43, 402,887.51 and 164,623.02 is: 227,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,947.43 : 402,887.51 = 164,623.02 : x
  2. Step 2: Convert to fraction form
    291,947.43/402,887.51 = 164,623.02/x
  3. Step 3: Cross multiply
    291,947.43x = 402,887.51 × 164,623.02
  4. Step 4: Simplify right side
    291,947.43x = 66,324,557,793.37
  5. Step 5: Solve for x
    x = 66,324,557,793.37/291,947.43
  6. Step 6: Final answer
    x = 227,179.80

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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.