Home / 402,664.64-603,553.89-165,878.18

Finding the Fourth Proportional to 402,664.64, 603,553.89 and 165,878.18

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Solution

The fourth proportional to 402,664.64, 603,553.89 and 165,878.18 is: 248,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,664.64 : 603,553.89 = 165,878.18 : x
  2. Step 2: Convert to fraction form
    402,664.64/603,553.89 = 165,878.18/x
  3. Step 3: Cross multiply
    402,664.64x = 603,553.89 × 165,878.18
  4. Step 4: Simplify right side
    402,664.64x = 100,116,420,805.12
  5. Step 5: Solve for x
    x = 100,116,420,805.12/402,664.64
  6. Step 6: Final answer
    x = 248,634.75

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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.