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Finding the Fourth Proportional to 247,211.82, 370,597.80 and 89,405.19

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Solution

The fourth proportional to 247,211.82, 370,597.80 and 89,405.19 is: 134,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,211.82 : 370,597.80 = 89,405.19 : x
  2. Step 2: Convert to fraction form
    247,211.82/370,597.80 = 89,405.19/x
  3. Step 3: Cross multiply
    247,211.82x = 370,597.80 × 89,405.19
  4. Step 4: Simplify right side
    247,211.82x = 33,133,366,722.58
  5. Step 5: Solve for x
    x = 33,133,366,722.58/247,211.82
  6. Step 6: Final answer
    x = 134,028.25

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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.