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Finding the Fourth Proportional to 460,373.82, 635,347.80 and 279,093.42

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Solution

The fourth proportional to 460,373.82, 635,347.80 and 279,093.42 is: 385,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,373.82 : 635,347.80 = 279,093.42 : x
  2. Step 2: Convert to fraction form
    460,373.82/635,347.80 = 279,093.42/x
  3. Step 3: Cross multiply
    460,373.82x = 635,347.80 × 279,093.42
  4. Step 4: Simplify right side
    460,373.82x = 177,321,390,391.48
  5. Step 5: Solve for x
    x = 177,321,390,391.48/460,373.82
  6. Step 6: Final answer
    x = 385,168.28

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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.