Home / 345,447.15-476,718.04-200,281.15

Finding the Fourth Proportional to 345,447.15, 476,718.04 and 200,281.15

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Solution

The fourth proportional to 345,447.15, 476,718.04 and 200,281.15 is: 276,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,447.15 : 476,718.04 = 200,281.15 : x
  2. Step 2: Convert to fraction form
    345,447.15/476,718.04 = 200,281.15/x
  3. Step 3: Cross multiply
    345,447.15x = 476,718.04 × 200,281.15
  4. Step 4: Simplify right side
    345,447.15x = 95,477,633,891.95
  5. Step 5: Solve for x
    x = 95,477,633,891.95/345,447.15
  6. Step 6: Final answer
    x = 276,388.54

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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.