Home / 345,210.91-476,387.22-192,245.77

Finding the Fourth Proportional to 345,210.91, 476,387.22 and 192,245.77

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Solution

The fourth proportional to 345,210.91, 476,387.22 and 192,245.77 is: 265,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,210.91 : 476,387.22 = 192,245.77 : x
  2. Step 2: Convert to fraction form
    345,210.91/476,387.22 = 192,245.77/x
  3. Step 3: Cross multiply
    345,210.91x = 476,387.22 × 192,245.77
  4. Step 4: Simplify right side
    345,210.91x = 91,583,427,927.06
  5. Step 5: Solve for x
    x = 91,583,427,927.06/345,210.91
  6. Step 6: Final answer
    x = 265,297.03

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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.