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Finding the Fourth Proportional to 247,223.79, 370,835.67 and 89,415.33

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Solution

The fourth proportional to 247,223.79, 370,835.67 and 89,415.33 is: 134,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,223.79 : 370,835.67 = 89,415.33 : x
  2. Step 2: Convert to fraction form
    247,223.79/370,835.67 = 89,415.33/x
  3. Step 3: Cross multiply
    247,223.79x = 370,835.67 × 89,415.33
  4. Step 4: Simplify right side
    247,223.79x = 33,158,393,808.82
  5. Step 5: Solve for x
    x = 33,158,393,808.82/247,223.79
  6. Step 6: Final answer
    x = 134,122.99

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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.