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Finding the Fourth Proportional to 330,085.32, 495,122.67 and 105,444.30

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Solution

The fourth proportional to 330,085.32, 495,122.67 and 105,444.30 is: 158,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,085.32 : 495,122.67 = 105,444.30 : x
  2. Step 2: Convert to fraction form
    330,085.32/495,122.67 = 105,444.30/x
  3. Step 3: Cross multiply
    330,085.32x = 495,122.67 × 105,444.30
  4. Step 4: Simplify right side
    330,085.32x = 52,207,863,352.28
  5. Step 5: Solve for x
    x = 52,207,863,352.28/330,085.32
  6. Step 6: Final answer
    x = 158,164.75

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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.