Home / 328,904.06-453,887.64-178,001.06

Finding the Fourth Proportional to 328,904.06, 453,887.64 and 178,001.06

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Solution

The fourth proportional to 328,904.06, 453,887.64 and 178,001.06 is: 245,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,904.06 : 453,887.64 = 178,001.06 : x
  2. Step 2: Convert to fraction form
    328,904.06/453,887.64 = 178,001.06/x
  3. Step 3: Cross multiply
    328,904.06x = 453,887.64 × 178,001.06
  4. Step 4: Simplify right side
    328,904.06x = 80,792,481,040.90
  5. Step 5: Solve for x
    x = 80,792,481,040.90/328,904.06
  6. Step 6: Final answer
    x = 245,641.48

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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.