Home / 319,936.10-480,001.35-179,600.90

Finding the Fourth Proportional to 319,936.10, 480,001.35 and 179,600.90

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Solution

The fourth proportional to 319,936.10, 480,001.35 and 179,600.90 is: 269,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,936.10 : 480,001.35 = 179,600.90 : x
  2. Step 2: Convert to fraction form
    319,936.10/480,001.35 = 179,600.90/x
  3. Step 3: Cross multiply
    319,936.10x = 480,001.35 × 179,600.90
  4. Step 4: Simplify right side
    319,936.10x = 86,208,674,461.22
  5. Step 5: Solve for x
    x = 86,208,674,461.22/319,936.10
  6. Step 6: Final answer
    x = 269,455.91

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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.