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Finding the Fourth Proportional to 350,894.92, 526,116.03 and 137,684.37

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Solution

The fourth proportional to 350,894.92, 526,116.03 and 137,684.37 is: 206,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,894.92 : 526,116.03 = 137,684.37 : x
  2. Step 2: Convert to fraction form
    350,894.92/526,116.03 = 137,684.37/x
  3. Step 3: Cross multiply
    350,894.92x = 526,116.03 × 137,684.37
  4. Step 4: Simplify right side
    350,894.92x = 72,437,955,605.61
  5. Step 5: Solve for x
    x = 72,437,955,605.61/350,894.92
  6. Step 6: Final answer
    x = 206,437.75

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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.