Home / 455,228.70-682,843.05-155,719.05

Finding the Fourth Proportional to 455,228.70, 682,843.05 and 155,719.05

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Solution

The fourth proportional to 455,228.70, 682,843.05 and 155,719.05 is: 233,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,228.70 : 682,843.05 = 155,719.05 : x
  2. Step 2: Convert to fraction form
    455,228.70/682,843.05 = 155,719.05/x
  3. Step 3: Cross multiply
    455,228.70x = 682,843.05 × 155,719.05
  4. Step 4: Simplify right side
    455,228.70x = 106,331,671,045.10
  5. Step 5: Solve for x
    x = 106,331,671,045.10/455,228.70
  6. Step 6: Final answer
    x = 233,578.58

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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.