Home / 312,205.06-430,844.25-168,965.02

Finding the Fourth Proportional to 312,205.06, 430,844.25 and 168,965.02

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Solution

The fourth proportional to 312,205.06, 430,844.25 and 168,965.02 is: 233,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,205.06 : 430,844.25 = 168,965.02 : x
  2. Step 2: Convert to fraction form
    312,205.06/430,844.25 = 168,965.02/x
  3. Step 3: Cross multiply
    312,205.06x = 430,844.25 × 168,965.02
  4. Step 4: Simplify right side
    312,205.06x = 72,797,607,318.14
  5. Step 5: Solve for x
    x = 72,797,607,318.14/312,205.06
  6. Step 6: Final answer
    x = 233,172.41

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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.