Home / 247,277.45-370,912.14-78,795.51

Finding the Fourth Proportional to 247,277.45, 370,912.14 and 78,795.51

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Solution

The fourth proportional to 247,277.45, 370,912.14 and 78,795.51 is: 118,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,277.45 : 370,912.14 = 78,795.51 : x
  2. Step 2: Convert to fraction form
    247,277.45/370,912.14 = 78,795.51/x
  3. Step 3: Cross multiply
    247,277.45x = 370,912.14 × 78,795.51
  4. Step 4: Simplify right side
    247,277.45x = 29,226,211,236.49
  5. Step 5: Solve for x
    x = 29,226,211,236.49/247,277.45
  6. Step 6: Final answer
    x = 118,191.98

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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.