Home / 345,353.56-476,622.03-202,105.06

Finding the Fourth Proportional to 345,353.56, 476,622.03 and 202,105.06

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Solution

The fourth proportional to 345,353.56, 476,622.03 and 202,105.06 is: 278,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,353.56 : 476,622.03 = 202,105.06 : x
  2. Step 2: Convert to fraction form
    345,353.56/476,622.03 = 202,105.06/x
  3. Step 3: Cross multiply
    345,353.56x = 476,622.03 × 202,105.06
  4. Step 4: Simplify right side
    345,353.56x = 96,327,723,970.47
  5. Step 5: Solve for x
    x = 96,327,723,970.47/345,353.56
  6. Step 6: Final answer
    x = 278,924.95

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1.5x scale

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.