Home / 455,290.02-682,936.65-139,746.96

Finding the Fourth Proportional to 455,290.02, 682,936.65 and 139,746.96

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Solution

The fourth proportional to 455,290.02, 682,936.65 and 139,746.96 is: 209,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,290.02 : 682,936.65 = 139,746.96 : x
  2. Step 2: Convert to fraction form
    455,290.02/682,936.65 = 139,746.96/x
  3. Step 3: Cross multiply
    455,290.02x = 682,936.65 × 139,746.96
  4. Step 4: Simplify right side
    455,290.02x = 95,438,320,710.08
  5. Step 5: Solve for x
    x = 95,438,320,710.08/455,290.02
  6. Step 6: Final answer
    x = 209,620.94

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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.