Home / 275,928.37-413,669.32-86,291.17

Finding the Fourth Proportional to 275,928.37, 413,669.32 and 86,291.17

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Solution

The fourth proportional to 275,928.37, 413,669.32 and 86,291.17 is: 129,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,928.37 : 413,669.32 = 86,291.17 : x
  2. Step 2: Convert to fraction form
    275,928.37/413,669.32 = 86,291.17/x
  3. Step 3: Cross multiply
    275,928.37x = 413,669.32 × 86,291.17
  4. Step 4: Simplify right side
    275,928.37x = 35,696,009,615.90
  5. Step 5: Solve for x
    x = 35,696,009,615.90/275,928.37
  6. Step 6: Final answer
    x = 129,366.94

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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.