Home / 460,368.09-635,339.86-279,087.66

Finding the Fourth Proportional to 460,368.09, 635,339.86 and 279,087.66

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Solution

The fourth proportional to 460,368.09, 635,339.86 and 279,087.66 is: 385,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,368.09 : 635,339.86 = 279,087.66 : x
  2. Step 2: Convert to fraction form
    460,368.09/635,339.86 = 279,087.66/x
  3. Step 3: Cross multiply
    460,368.09x = 635,339.86 × 279,087.66
  4. Step 4: Simplify right side
    460,368.09x = 177,315,511,751.88
  5. Step 5: Solve for x
    x = 177,315,511,751.88/460,368.09
  6. Step 6: Final answer
    x = 385,160.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.