Home / 272,936.08-409,326.36-172,945.36

Finding the Fourth Proportional to 272,936.08, 409,326.36 and 172,945.36

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Solution

The fourth proportional to 272,936.08, 409,326.36 and 172,945.36 is: 259,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,936.08 : 409,326.36 = 172,945.36 : x
  2. Step 2: Convert to fraction form
    272,936.08/409,326.36 = 172,945.36/x
  3. Step 3: Cross multiply
    272,936.08x = 409,326.36 × 172,945.36
  4. Step 4: Simplify right side
    272,936.08x = 70,791,094,687.69
  5. Step 5: Solve for x
    x = 70,791,094,687.69/272,936.08
  6. Step 6: Final answer
    x = 259,368.77

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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.