Home / 319,917.24-480,171.06-162,256.41

Finding the Fourth Proportional to 319,917.24, 480,171.06 and 162,256.41

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Solution

The fourth proportional to 319,917.24, 480,171.06 and 162,256.41 is: 243,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,917.24 : 480,171.06 = 162,256.41 : x
  2. Step 2: Convert to fraction form
    319,917.24/480,171.06 = 162,256.41/x
  3. Step 3: Cross multiply
    319,917.24x = 480,171.06 × 162,256.41
  4. Step 4: Simplify right side
    319,917.24x = 77,910,832,381.49
  5. Step 5: Solve for x
    x = 77,910,832,381.49/319,917.24
  6. Step 6: Final answer
    x = 243,534.34

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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.