Home / 633,086.08-949,771.36-212,351.20

Finding the Fourth Proportional to 633,086.08, 949,771.36 and 212,351.20

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Solution

The fourth proportional to 633,086.08, 949,771.36 and 212,351.20 is: 318,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,086.08 : 949,771.36 = 212,351.20 : x
  2. Step 2: Convert to fraction form
    633,086.08/949,771.36 = 212,351.20/x
  3. Step 3: Cross multiply
    633,086.08x = 949,771.36 × 212,351.20
  4. Step 4: Simplify right side
    633,086.08x = 201,685,088,021.63
  5. Step 5: Solve for x
    x = 201,685,088,021.63/633,086.08
  6. Step 6: Final answer
    x = 318,574.51

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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.