Home / 401,971.76-602,970.48-202,183.04

Finding the Fourth Proportional to 401,971.76, 602,970.48 and 202,183.04

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Solution

The fourth proportional to 401,971.76, 602,970.48 and 202,183.04 is: 303,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,971.76 : 602,970.48 = 202,183.04 : x
  2. Step 2: Convert to fraction form
    401,971.76/602,970.48 = 202,183.04/x
  3. Step 3: Cross multiply
    401,971.76x = 602,970.48 × 202,183.04
  4. Step 4: Simplify right side
    401,971.76x = 121,910,404,676.66
  5. Step 5: Solve for x
    x = 121,910,404,676.66/401,971.76
  6. Step 6: Final answer
    x = 303,281.02

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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.