Home / 292,046.13-438,093.78-92,362.08

Finding the Fourth Proportional to 292,046.13, 438,093.78 and 92,362.08

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Solution

The fourth proportional to 292,046.13, 438,093.78 and 92,362.08 is: 138,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,046.13 : 438,093.78 = 92,362.08 : x
  2. Step 2: Convert to fraction form
    292,046.13/438,093.78 = 92,362.08/x
  3. Step 3: Cross multiply
    292,046.13x = 438,093.78 × 92,362.08
  4. Step 4: Simplify right side
    292,046.13x = 40,463,252,755.86
  5. Step 5: Solve for x
    x = 40,463,252,755.86/292,046.13
  6. Step 6: Final answer
    x = 138,550.90

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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.