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Finding the Fourth Proportional to 335,696.48, 503,371.20 and 99,008.96

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Solution

The fourth proportional to 335,696.48, 503,371.20 and 99,008.96 is: 148,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,696.48 : 503,371.20 = 99,008.96 : x
  2. Step 2: Convert to fraction form
    335,696.48/503,371.20 = 99,008.96/x
  3. Step 3: Cross multiply
    335,696.48x = 503,371.20 × 99,008.96
  4. Step 4: Simplify right side
    335,696.48x = 49,838,259,005.95
  5. Step 5: Solve for x
    x = 49,838,259,005.95/335,696.48
  6. Step 6: Final answer
    x = 148,462.26

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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.