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Finding the Fourth Proportional to 247,205.70, 370,808.52 and 69,689.52

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Solution

The fourth proportional to 247,205.70, 370,808.52 and 69,689.52 is: 104,534.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,205.70 : 370,808.52 = 69,689.52 : x
  2. Step 2: Convert to fraction form
    247,205.70/370,808.52 = 69,689.52/x
  3. Step 3: Cross multiply
    247,205.70x = 370,808.52 × 69,689.52
  4. Step 4: Simplify right side
    247,205.70x = 25,841,467,770.71
  5. Step 5: Solve for x
    x = 25,841,467,770.71/247,205.70
  6. Step 6: Final answer
    x = 104,534.27

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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.