Home / 401,984.37-602,990.10-202,195.83

Finding the Fourth Proportional to 401,984.37, 602,990.10 and 202,195.83

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Solution

The fourth proportional to 401,984.37, 602,990.10 and 202,195.83 is: 303,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,984.37 : 602,990.10 = 202,195.83 : x
  2. Step 2: Convert to fraction form
    401,984.37/602,990.10 = 202,195.83/x
  3. Step 3: Cross multiply
    401,984.37x = 602,990.10 × 202,195.83
  4. Step 4: Simplify right side
    401,984.37x = 121,922,083,751.28
  5. Step 5: Solve for x
    x = 121,922,083,751.28/401,984.37
  6. Step 6: Final answer
    x = 303,300.56

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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.