Home / 345,197.53-476,258.43-201,856.11

Finding the Fourth Proportional to 345,197.53, 476,258.43 and 201,856.11

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Solution

The fourth proportional to 345,197.53, 476,258.43 and 201,856.11 is: 278,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,197.53 : 476,258.43 = 201,856.11 : x
  2. Step 2: Convert to fraction form
    345,197.53/476,258.43 = 201,856.11/x
  3. Step 3: Cross multiply
    345,197.53x = 476,258.43 × 201,856.11
  4. Step 4: Simplify right side
    345,197.53x = 96,135,674,034.51
  5. Step 5: Solve for x
    x = 96,135,674,034.51/345,197.53
  6. Step 6: Final answer
    x = 278,494.68

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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.