Home / 291,965.45-402,912.36-164,641.01

Finding the Fourth Proportional to 291,965.45, 402,912.36 and 164,641.01

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Solution

The fourth proportional to 291,965.45, 402,912.36 and 164,641.01 is: 227,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,965.45 : 402,912.36 = 164,641.01 : x
  2. Step 2: Convert to fraction form
    291,965.45/402,912.36 = 164,641.01/x
  3. Step 3: Cross multiply
    291,965.45x = 402,912.36 × 164,641.01
  4. Step 4: Simplify right side
    291,965.45x = 66,335,895,877.32
  5. Step 5: Solve for x
    x = 66,335,895,877.32/291,965.45
  6. Step 6: Final answer
    x = 227,204.61

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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.