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Finding the Fourth Proportional to 330,771.77, 456,722.13 and 254,170.11

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Solution

The fourth proportional to 330,771.77, 456,722.13 and 254,170.11 is: 350,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,771.77 : 456,722.13 = 254,170.11 : x
  2. Step 2: Convert to fraction form
    330,771.77/456,722.13 = 254,170.11/x
  3. Step 3: Cross multiply
    330,771.77x = 456,722.13 × 254,170.11
  4. Step 4: Simplify right side
    330,771.77x = 116,085,114,021.53
  5. Step 5: Solve for x
    x = 116,085,114,021.53/330,771.77
  6. Step 6: Final answer
    x = 350,952.31

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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.