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Finding the Fourth Proportional to 333,732.76, 500,594.58 and 81,015.19

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Solution

The fourth proportional to 333,732.76, 500,594.58 and 81,015.19 is: 121,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,732.76 : 500,594.58 = 81,015.19 : x
  2. Step 2: Convert to fraction form
    333,732.76/500,594.58 = 81,015.19/x
  3. Step 3: Cross multiply
    333,732.76x = 500,594.58 × 81,015.19
  4. Step 4: Simplify right side
    333,732.76x = 40,555,763,760.18
  5. Step 5: Solve for x
    x = 40,555,763,760.18/333,732.76
  6. Step 6: Final answer
    x = 121,521.68

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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.