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Finding the Fourth Proportional to 330,068.79, 495,266.94 and 130,532.31

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Solution

The fourth proportional to 330,068.79, 495,266.94 and 130,532.31 is: 195,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,068.79 : 495,266.94 = 130,532.31 : x
  2. Step 2: Convert to fraction form
    330,068.79/495,266.94 = 130,532.31/x
  3. Step 3: Cross multiply
    330,068.79x = 495,266.94 × 130,532.31
  4. Step 4: Simplify right side
    330,068.79x = 64,648,337,744.83
  5. Step 5: Solve for x
    x = 64,648,337,744.83/330,068.79
  6. Step 6: Final answer
    x = 195,863.23

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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.