Home / 445,780.02-668,836.48-179,616.04

Finding the Fourth Proportional to 445,780.02, 668,836.48 and 179,616.04

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Solution

The fourth proportional to 445,780.02, 668,836.48 and 179,616.04 is: 269,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,780.02 : 668,836.48 = 179,616.04 : x
  2. Step 2: Convert to fraction form
    445,780.02/668,836.48 = 179,616.04/x
  3. Step 3: Cross multiply
    445,780.02x = 668,836.48 × 179,616.04
  4. Step 4: Simplify right side
    445,780.02x = 120,133,759,945.14
  5. Step 5: Solve for x
    x = 120,133,759,945.14/445,780.02
  6. Step 6: Final answer
    x = 269,491.13

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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.