Home / 455,039.29-682,267.33-188,983.45

Finding the Fourth Proportional to 455,039.29, 682,267.33 and 188,983.45

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Solution

The fourth proportional to 455,039.29, 682,267.33 and 188,983.45 is: 283,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,039.29 : 682,267.33 = 188,983.45 : x
  2. Step 2: Convert to fraction form
    455,039.29/682,267.33 = 188,983.45/x
  3. Step 3: Cross multiply
    455,039.29x = 682,267.33 × 188,983.45
  4. Step 4: Simplify right side
    455,039.29x = 128,937,233,845.69
  5. Step 5: Solve for x
    x = 128,937,233,845.69/455,039.29
  6. Step 6: Final answer
    x = 283,354.07

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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.