Home / 351,005.13-484,345.37-198,034.38

Finding the Fourth Proportional to 351,005.13, 484,345.37 and 198,034.38

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Solution

The fourth proportional to 351,005.13, 484,345.37 and 198,034.38 is: 273,263.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,005.13 : 484,345.37 = 198,034.38 : x
  2. Step 2: Convert to fraction form
    351,005.13/484,345.37 = 198,034.38/x
  3. Step 3: Cross multiply
    351,005.13x = 484,345.37 × 198,034.38
  4. Step 4: Simplify right side
    351,005.13x = 95,917,035,548.91
  5. Step 5: Solve for x
    x = 95,917,035,548.91/351,005.13
  6. Step 6: Final answer
    x = 273,263.91

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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.