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Finding the Fourth Proportional to 330,157.44, 495,476.64 and 119,812.32

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Solution

The fourth proportional to 330,157.44, 495,476.64 and 119,812.32 is: 179,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,157.44 : 495,476.64 = 119,812.32 : x
  2. Step 2: Convert to fraction form
    330,157.44/495,476.64 = 119,812.32/x
  3. Step 3: Cross multiply
    330,157.44x = 495,476.64 × 119,812.32
  4. Step 4: Simplify right side
    330,157.44x = 59,364,205,744.20
  5. Step 5: Solve for x
    x = 59,364,205,744.20/330,157.44
  6. Step 6: Final answer
    x = 179,805.75

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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.