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Finding the Fourth Proportional to 333,583.63, 500,427.28 and 112,019.47

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Solution

The fourth proportional to 333,583.63, 500,427.28 and 112,019.47 is: 168,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,583.63 : 500,427.28 = 112,019.47 : x
  2. Step 2: Convert to fraction form
    333,583.63/500,427.28 = 112,019.47/x
  3. Step 3: Cross multiply
    333,583.63x = 500,427.28 × 112,019.47
  4. Step 4: Simplify right side
    333,583.63x = 56,057,598,679.14
  5. Step 5: Solve for x
    x = 56,057,598,679.14/333,583.63
  6. Step 6: Final answer
    x = 168,046.61

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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.