Home / 303,962.10-455,943.15-279,467.70

Finding the Fourth Proportional to 303,962.10, 455,943.15 and 279,467.70

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Solution

The fourth proportional to 303,962.10, 455,943.15 and 279,467.70 is: 419,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,962.10 : 455,943.15 = 279,467.70 : x
  2. Step 2: Convert to fraction form
    303,962.10/455,943.15 = 279,467.70/x
  3. Step 3: Cross multiply
    303,962.10x = 455,943.15 × 279,467.70
  4. Step 4: Simplify right side
    303,962.10x = 127,421,383,461.26
  5. Step 5: Solve for x
    x = 127,421,383,461.26/303,962.10
  6. Step 6: Final answer
    x = 419,201.55

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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.