Home / 334,628.52-501,949.20-81,911.16

Finding the Fourth Proportional to 334,628.52, 501,949.20 and 81,911.16

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Solution

The fourth proportional to 334,628.52, 501,949.20 and 81,911.16 is: 122,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,628.52 : 501,949.20 = 81,911.16 : x
  2. Step 2: Convert to fraction form
    334,628.52/501,949.20 = 81,911.16/x
  3. Step 3: Cross multiply
    334,628.52x = 501,949.20 × 81,911.16
  4. Step 4: Simplify right side
    334,628.52x = 41,115,241,233.07
  5. Step 5: Solve for x
    x = 41,115,241,233.07/334,628.52
  6. Step 6: Final answer
    x = 122,868.31

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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.