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Finding the Fourth Proportional to 339,973.10, 509,959.65 and 227,998.70

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Solution

The fourth proportional to 339,973.10, 509,959.65 and 227,998.70 is: 341,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,973.10 : 509,959.65 = 227,998.70 : x
  2. Step 2: Convert to fraction form
    339,973.10/509,959.65 = 227,998.70/x
  3. Step 3: Cross multiply
    339,973.10x = 509,959.65 × 227,998.70
  4. Step 4: Simplify right side
    339,973.10x = 116,270,137,252.46
  5. Step 5: Solve for x
    x = 116,270,137,252.46/339,973.10
  6. Step 6: Final answer
    x = 341,998.05

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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.