Home / 455,121.02-682,986.24-188,881.76

Finding the Fourth Proportional to 455,121.02, 682,986.24 and 188,881.76

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Solution

The fourth proportional to 455,121.02, 682,986.24 and 188,881.76 is: 283,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,121.02 : 682,986.24 = 188,881.76 : x
  2. Step 2: Convert to fraction form
    455,121.02/682,986.24 = 188,881.76/x
  3. Step 3: Cross multiply
    455,121.02x = 682,986.24 × 188,881.76
  4. Step 4: Simplify right side
    455,121.02x = 129,003,643,066.98
  5. Step 5: Solve for x
    x = 129,003,643,066.98/455,121.02
  6. Step 6: Final answer
    x = 283,449.10

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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.