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Finding the Fourth Proportional to 330,193.08, 495,009.81 and 130,654.22

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Solution

The fourth proportional to 330,193.08, 495,009.81 and 130,654.22 is: 195,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,193.08 : 495,009.81 = 130,654.22 : x
  2. Step 2: Convert to fraction form
    330,193.08/495,009.81 = 130,654.22/x
  3. Step 3: Cross multiply
    330,193.08x = 495,009.81 × 130,654.22
  4. Step 4: Simplify right side
    330,193.08x = 64,675,118,142.85
  5. Step 5: Solve for x
    x = 64,675,118,142.85/330,193.08
  6. Step 6: Final answer
    x = 195,870.60

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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.