Home / 247,431.08-371,148.70-69,934.12

Finding the Fourth Proportional to 247,431.08, 371,148.70 and 69,934.12

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Solution

The fourth proportional to 247,431.08, 371,148.70 and 69,934.12 is: 104,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,431.08 : 371,148.70 = 69,934.12 : x
  2. Step 2: Convert to fraction form
    247,431.08/371,148.70 = 69,934.12/x
  3. Step 3: Cross multiply
    247,431.08x = 371,148.70 × 69,934.12
  4. Step 4: Simplify right side
    247,431.08x = 25,955,957,723.64
  5. Step 5: Solve for x
    x = 25,955,957,723.64/247,431.08
  6. Step 6: Final answer
    x = 104,901.77

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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.