Home / 415,288.15-622,984.09-162,535.95

Finding the Fourth Proportional to 415,288.15, 622,984.09 and 162,535.95

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Solution

The fourth proportional to 415,288.15, 622,984.09 and 162,535.95 is: 243,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,288.15 : 622,984.09 = 162,535.95 : x
  2. Step 2: Convert to fraction form
    415,288.15/622,984.09 = 162,535.95/x
  3. Step 3: Cross multiply
    415,288.15x = 622,984.09 × 162,535.95
  4. Step 4: Simplify right side
    415,288.15x = 101,257,310,903.04
  5. Step 5: Solve for x
    x = 101,257,310,903.04/415,288.15
  6. Step 6: Final answer
    x = 243,824.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.