Home / 345,450.15-476,722.18-200,284.15

Finding the Fourth Proportional to 345,450.15, 476,722.18 and 200,284.15

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Solution

The fourth proportional to 345,450.15, 476,722.18 and 200,284.15 is: 276,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,450.15 : 476,722.18 = 200,284.15 : x
  2. Step 2: Convert to fraction form
    345,450.15/476,722.18 = 200,284.15/x
  3. Step 3: Cross multiply
    345,450.15x = 476,722.18 × 200,284.15
  4. Step 4: Simplify right side
    345,450.15x = 95,479,896,607.45
  5. Step 5: Solve for x
    x = 95,479,896,607.45/345,450.15
  6. Step 6: Final answer
    x = 276,392.69

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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.