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Finding the Fourth Proportional to 330,329.70, 495,494.55 and 306,710.10

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Solution

The fourth proportional to 330,329.70, 495,494.55 and 306,710.10 is: 460,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,329.70 : 495,494.55 = 306,710.10 : x
  2. Step 2: Convert to fraction form
    330,329.70/495,494.55 = 306,710.10/x
  3. Step 3: Cross multiply
    330,329.70x = 495,494.55 × 306,710.10
  4. Step 4: Simplify right side
    330,329.70x = 151,973,182,979.96
  5. Step 5: Solve for x
    x = 151,973,182,979.96/330,329.70
  6. Step 6: Final answer
    x = 460,065.15

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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.