Home / 455,228.79-682,917.36-170,941.35

Finding the Fourth Proportional to 455,228.79, 682,917.36 and 170,941.35

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Solution

The fourth proportional to 455,228.79, 682,917.36 and 170,941.35 is: 256,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,228.79 : 682,917.36 = 170,941.35 : x
  2. Step 2: Convert to fraction form
    455,228.79/682,917.36 = 170,941.35/x
  3. Step 3: Cross multiply
    455,228.79x = 682,917.36 × 170,941.35
  4. Step 4: Simplify right side
    455,228.79x = 116,738,815,456.84
  5. Step 5: Solve for x
    x = 116,738,815,456.84/455,228.79
  6. Step 6: Final answer
    x = 256,439.88

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1.5x scale

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.