Home / 330,076.50-495,178.38-140,533.35

Finding the Fourth Proportional to 330,076.50, 495,178.38 and 140,533.35

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Solution

The fourth proportional to 330,076.50, 495,178.38 and 140,533.35 is: 210,827.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,076.50 : 495,178.38 = 140,533.35 : x
  2. Step 2: Convert to fraction form
    330,076.50/495,178.38 = 140,533.35/x
  3. Step 3: Cross multiply
    330,076.50x = 495,178.38 × 140,533.35
  4. Step 4: Simplify right side
    330,076.50x = 69,589,076,588.97
  5. Step 5: Solve for x
    x = 69,589,076,588.97/330,076.50
  6. Step 6: Final answer
    x = 210,827.12

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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.