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Finding the Fourth Proportional to 330,571.75, 456,376.34 and 252,901.26

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Solution

The fourth proportional to 330,571.75, 456,376.34 and 252,901.26 is: 349,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,571.75 : 456,376.34 = 252,901.26 : x
  2. Step 2: Convert to fraction form
    330,571.75/456,376.34 = 252,901.26/x
  3. Step 3: Cross multiply
    330,571.75x = 456,376.34 × 252,901.26
  4. Step 4: Simplify right side
    330,571.75x = 115,418,151,420.19
  5. Step 5: Solve for x
    x = 115,418,151,420.19/330,571.75
  6. Step 6: Final answer
    x = 349,147.05

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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.