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Finding the Fourth Proportional to 330,158.40, 495,237.60 and 277,670.40

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Solution

The fourth proportional to 330,158.40, 495,237.60 and 277,670.40 is: 416,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,158.40 : 495,237.60 = 277,670.40 : x
  2. Step 2: Convert to fraction form
    330,158.40/495,237.60 = 277,670.40/x
  3. Step 3: Cross multiply
    330,158.40x = 495,237.60 × 277,670.40
  4. Step 4: Simplify right side
    330,158.40x = 137,512,822,487.04
  5. Step 5: Solve for x
    x = 137,512,822,487.04/330,158.40
  6. Step 6: Final answer
    x = 416,505.60

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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.