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Finding the Fourth Proportional to 336,005.97, 503,833.93 and 158,465.31

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Solution

The fourth proportional to 336,005.97, 503,833.93 and 158,465.31 is: 237,615.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,005.97 : 503,833.93 = 158,465.31 : x
  2. Step 2: Convert to fraction form
    336,005.97/503,833.93 = 158,465.31/x
  3. Step 3: Cross multiply
    336,005.97x = 503,833.93 × 158,465.31
  4. Step 4: Simplify right side
    336,005.97x = 79,840,199,905.97
  5. Step 5: Solve for x
    x = 79,840,199,905.97/336,005.97
  6. Step 6: Final answer
    x = 237,615.42

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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.