Home / 339,664.92-509,497.05-86,945.01

Finding the Fourth Proportional to 339,664.92, 509,497.05 and 86,945.01

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Solution

The fourth proportional to 339,664.92, 509,497.05 and 86,945.01 is: 130,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,664.92 : 509,497.05 = 86,945.01 : x
  2. Step 2: Convert to fraction form
    339,664.92/509,497.05 = 86,945.01/x
  3. Step 3: Cross multiply
    339,664.92x = 509,497.05 × 86,945.01
  4. Step 4: Simplify right side
    339,664.92x = 44,298,226,107.22
  5. Step 5: Solve for x
    x = 44,298,226,107.22/339,664.92
  6. Step 6: Final answer
    x = 130,417.43

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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.