Home / 212,821.24-291,563.90-204,844.36

Finding the Fourth Proportional to 212,821.24, 291,563.90 and 204,844.36

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Solution

The fourth proportional to 212,821.24, 291,563.90 and 204,844.36 is: 280,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,821.24 : 291,563.90 = 204,844.36 : x
  2. Step 2: Convert to fraction form
    212,821.24/291,563.90 = 204,844.36/x
  3. Step 3: Cross multiply
    212,821.24x = 291,563.90 × 204,844.36
  4. Step 4: Simplify right side
    212,821.24x = 59,725,220,494.60
  5. Step 5: Solve for x
    x = 59,725,220,494.60/212,821.24
  6. Step 6: Final answer
    x = 280,635.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.