Home / 455,296.02-682,963.74-139,765.38

Finding the Fourth Proportional to 455,296.02, 682,963.74 and 139,765.38

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Solution

The fourth proportional to 455,296.02, 682,963.74 and 139,765.38 is: 209,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,296.02 : 682,963.74 = 139,765.38 : x
  2. Step 2: Convert to fraction form
    455,296.02/682,963.74 = 139,765.38/x
  3. Step 3: Cross multiply
    455,296.02x = 682,963.74 × 139,765.38
  4. Step 4: Simplify right side
    455,296.02x = 95,454,686,647.32
  5. Step 5: Solve for x
    x = 95,454,686,647.32/455,296.02
  6. Step 6: Final answer
    x = 209,654.12

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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.