Home / 319,982.39-480,001.14-83,325.50

Finding the Fourth Proportional to 319,982.39, 480,001.14 and 83,325.50

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Solution

The fourth proportional to 319,982.39, 480,001.14 and 83,325.50 is: 124,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,982.39 : 480,001.14 = 83,325.50 : x
  2. Step 2: Convert to fraction form
    319,982.39/480,001.14 = 83,325.50/x
  3. Step 3: Cross multiply
    319,982.39x = 480,001.14 × 83,325.50
  4. Step 4: Simplify right side
    319,982.39x = 39,996,332,591.06
  5. Step 5: Solve for x
    x = 39,996,332,591.06/319,982.39
  6. Step 6: Final answer
    x = 124,995.42

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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.