Home / 455,725.02-683,665.29-140,174.94

Finding the Fourth Proportional to 455,725.02, 683,665.29 and 140,174.94

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Solution

The fourth proportional to 455,725.02, 683,665.29 and 140,174.94 is: 210,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,725.02 : 683,665.29 = 140,174.94 : x
  2. Step 2: Convert to fraction form
    455,725.02/683,665.29 = 140,174.94/x
  3. Step 3: Cross multiply
    455,725.02x = 683,665.29 × 140,174.94
  4. Step 4: Simplify right side
    455,725.02x = 95,832,741,005.83
  5. Step 5: Solve for x
    x = 95,832,741,005.83/455,725.02
  6. Step 6: Final answer
    x = 210,286.33

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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.