Home / 252,046.20-378,069.30-210,574.20

Finding the Fourth Proportional to 252,046.20, 378,069.30 and 210,574.20

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Solution

The fourth proportional to 252,046.20, 378,069.30 and 210,574.20 is: 315,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,046.20 : 378,069.30 = 210,574.20 : x
  2. Step 2: Convert to fraction form
    252,046.20/378,069.30 = 210,574.20/x
  3. Step 3: Cross multiply
    252,046.20x = 378,069.30 × 210,574.20
  4. Step 4: Simplify right side
    252,046.20x = 79,611,640,392.06
  5. Step 5: Solve for x
    x = 79,611,640,392.06/252,046.20
  6. Step 6: Final answer
    x = 315,861.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.