Home / 242,736.09-335,119.32-215,804.06

Finding the Fourth Proportional to 242,736.09, 335,119.32 and 215,804.06

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Solution

The fourth proportional to 242,736.09, 335,119.32 and 215,804.06 is: 297,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,736.09 : 335,119.32 = 215,804.06 : x
  2. Step 2: Convert to fraction form
    242,736.09/335,119.32 = 215,804.06/x
  3. Step 3: Cross multiply
    242,736.09x = 335,119.32 × 215,804.06
  4. Step 4: Simplify right side
    242,736.09x = 72,320,108,761.42
  5. Step 5: Solve for x
    x = 72,320,108,761.42/242,736.09
  6. Step 6: Final answer
    x = 297,937.20

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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.