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Finding the Fourth Proportional to 331,334.80, 497,002.20 and 306,977.09

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Solution

The fourth proportional to 331,334.80, 497,002.20 and 306,977.09 is: 460,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,334.80 : 497,002.20 = 306,977.09 : x
  2. Step 2: Convert to fraction form
    331,334.80/497,002.20 = 306,977.09/x
  3. Step 3: Cross multiply
    331,334.80x = 497,002.20 × 306,977.09
  4. Step 4: Simplify right side
    331,334.80x = 152,568,289,079.60
  5. Step 5: Solve for x
    x = 152,568,289,079.60/331,334.80
  6. Step 6: Final answer
    x = 460,465.64

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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.