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Finding the Fourth Proportional to 339,477.64, 509,210.70 and 114,790.12

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Solution

The fourth proportional to 339,477.64, 509,210.70 and 114,790.12 is: 172,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,477.64 : 509,210.70 = 114,790.12 : x
  2. Step 2: Convert to fraction form
    339,477.64/509,210.70 = 114,790.12/x
  3. Step 3: Cross multiply
    339,477.64x = 509,210.70 × 114,790.12
  4. Step 4: Simplify right side
    339,477.64x = 58,452,357,358.28
  5. Step 5: Solve for x
    x = 58,452,357,358.28/339,477.64
  6. Step 6: Final answer
    x = 172,183.23

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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.