Home / 415,623.20-622,513.20-166,176.80

Finding the Fourth Proportional to 415,623.20, 622,513.20 and 166,176.80

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Solution

The fourth proportional to 415,623.20, 622,513.20 and 166,176.80 is: 248,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,623.20 : 622,513.20 = 166,176.80 : x
  2. Step 2: Convert to fraction form
    415,623.20/622,513.20 = 166,176.80/x
  3. Step 3: Cross multiply
    415,623.20x = 622,513.20 × 166,176.80
  4. Step 4: Simplify right side
    415,623.20x = 103,447,251,533.76
  5. Step 5: Solve for x
    x = 103,447,251,533.76/415,623.20
  6. Step 6: Final answer
    x = 248,896.72

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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.