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Finding the Fourth Proportional to 336,007, 504,020.22 and 86,689

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Solution

The fourth proportional to 336,007, 504,020.22 and 86,689 is: 130,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,007 : 504,020.22 = 86,689 : x
  2. Step 2: Convert to fraction form
    336,007/504,020.22 = 86,689/x
  3. Step 3: Cross multiply
    336,007x = 504,020.22 × 86,689
  4. Step 4: Simplify right side
    336,007x = 43,693,008,851.58
  5. Step 5: Solve for x
    x = 43,693,008,851.58/336,007
  6. Step 6: Final answer
    x = 130,036.01

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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.