Home / 401,938.54-602,920.55-202,149.81

Finding the Fourth Proportional to 401,938.54, 602,920.55 and 202,149.81

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Solution

The fourth proportional to 401,938.54, 602,920.55 and 202,149.81 is: 303,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,938.54 : 602,920.55 = 202,149.81 : x
  2. Step 2: Convert to fraction form
    401,938.54/602,920.55 = 202,149.81/x
  3. Step 3: Cross multiply
    401,938.54x = 602,920.55 × 202,149.81
  4. Step 4: Simplify right side
    401,938.54x = 121,880,275,132.97
  5. Step 5: Solve for x
    x = 121,880,275,132.97/401,938.54
  6. Step 6: Final answer
    x = 303,231.13

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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.