Home / 236,314.63-354,155.31-221,180.99

Finding the Fourth Proportional to 236,314.63, 354,155.31 and 221,180.99

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Solution

The fourth proportional to 236,314.63, 354,155.31 and 221,180.99 is: 331,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,314.63 : 354,155.31 = 221,180.99 : x
  2. Step 2: Convert to fraction form
    236,314.63/354,155.31 = 221,180.99/x
  3. Step 3: Cross multiply
    236,314.63x = 354,155.31 × 221,180.99
  4. Step 4: Simplify right side
    236,314.63x = 78,332,422,079.56
  5. Step 5: Solve for x
    x = 78,332,422,079.56/236,314.63
  6. Step 6: Final answer
    x = 331,475.13

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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.