Home / 345,436.11-476,899.63-230,908.75

Finding the Fourth Proportional to 345,436.11, 476,899.63 and 230,908.75

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Solution

The fourth proportional to 345,436.11, 476,899.63 and 230,908.75 is: 318,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,436.11 : 476,899.63 = 230,908.75 : x
  2. Step 2: Convert to fraction form
    345,436.11/476,899.63 = 230,908.75/x
  3. Step 3: Cross multiply
    345,436.11x = 476,899.63 × 230,908.75
  4. Step 4: Simplify right side
    345,436.11x = 110,120,295,669.24
  5. Step 5: Solve for x
    x = 110,120,295,669.24/345,436.11
  6. Step 6: Final answer
    x = 318,786.29

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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.