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Finding the Fourth Proportional to 335,999.60, 503,610.60 and 136,221.20

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Solution

The fourth proportional to 335,999.60, 503,610.60 and 136,221.20 is: 204,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,999.60 : 503,610.60 = 136,221.20 : x
  2. Step 2: Convert to fraction form
    335,999.60/503,610.60 = 136,221.20/x
  3. Step 3: Cross multiply
    335,999.60x = 503,610.60 × 136,221.20
  4. Step 4: Simplify right side
    335,999.60x = 68,602,440,264.72
  5. Step 5: Solve for x
    x = 68,602,440,264.72/335,999.60
  6. Step 6: Final answer
    x = 204,174.17

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1.5x scale

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.