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Finding the Fourth Proportional to 339,569.01, 509,352.98 and 90,251.01

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Solution

The fourth proportional to 339,569.01, 509,352.98 and 90,251.01 is: 135,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,569.01 : 509,352.98 = 90,251.01 : x
  2. Step 2: Convert to fraction form
    339,569.01/509,352.98 = 90,251.01/x
  3. Step 3: Cross multiply
    339,569.01x = 509,352.98 × 90,251.01
  4. Step 4: Simplify right side
    339,569.01x = 45,969,620,440.25
  5. Step 5: Solve for x
    x = 45,969,620,440.25/339,569.01
  6. Step 6: Final answer
    x = 135,376.37

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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.