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Finding the Fourth Proportional to 309,324.80, 463,717.20 and 119,914.40

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Solution

The fourth proportional to 309,324.80, 463,717.20 and 119,914.40 is: 179,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,324.80 : 463,717.20 = 119,914.40 : x
  2. Step 2: Convert to fraction form
    309,324.80/463,717.20 = 119,914.40/x
  3. Step 3: Cross multiply
    309,324.80x = 463,717.20 × 119,914.40
  4. Step 4: Simplify right side
    309,324.80x = 55,606,369,807.68
  5. Step 5: Solve for x
    x = 55,606,369,807.68/309,324.80
  6. Step 6: Final answer
    x = 179,766.93

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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.