Home / 401,982.87-602,987.85-202,194.33

Finding the Fourth Proportional to 401,982.87, 602,987.85 and 202,194.33

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Solution

The fourth proportional to 401,982.87, 602,987.85 and 202,194.33 is: 303,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,982.87 : 602,987.85 = 202,194.33 : x
  2. Step 2: Convert to fraction form
    401,982.87/602,987.85 = 202,194.33/x
  3. Step 3: Cross multiply
    401,982.87x = 602,987.85 × 202,194.33
  4. Step 4: Simplify right side
    401,982.87x = 121,920,724,328.89
  5. Step 5: Solve for x
    x = 121,920,724,328.89/401,982.87
  6. Step 6: Final answer
    x = 303,298.31

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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.