Home / 455,738.52-684,036.72-231,260.04

Finding the Fourth Proportional to 455,738.52, 684,036.72 and 231,260.04

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Solution

The fourth proportional to 455,738.52, 684,036.72 and 231,260.04 is: 347,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,738.52 : 684,036.72 = 231,260.04 : x
  2. Step 2: Convert to fraction form
    455,738.52/684,036.72 = 231,260.04/x
  3. Step 3: Cross multiply
    455,738.52x = 684,036.72 × 231,260.04
  4. Step 4: Simplify right side
    455,738.52x = 158,190,359,228.67
  5. Step 5: Solve for x
    x = 158,190,359,228.67/455,738.52
  6. Step 6: Final answer
    x = 347,107.72

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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.