Home / 455,119.02-682,983.24-188,879.76

Finding the Fourth Proportional to 455,119.02, 682,983.24 and 188,879.76

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Solution

The fourth proportional to 455,119.02, 682,983.24 and 188,879.76 is: 283,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,119.02 : 682,983.24 = 188,879.76 : x
  2. Step 2: Convert to fraction form
    455,119.02/682,983.24 = 188,879.76/x
  3. Step 3: Cross multiply
    455,119.02x = 682,983.24 × 188,879.76
  4. Step 4: Simplify right side
    455,119.02x = 129,001,710,455.22
  5. Step 5: Solve for x
    x = 129,001,710,455.22/455,119.02
  6. Step 6: Final answer
    x = 283,446.10

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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.