Home / 241,269.26-361,856.28-81,329.40

Finding the Fourth Proportional to 241,269.26, 361,856.28 and 81,329.40

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Solution

The fourth proportional to 241,269.26, 361,856.28 and 81,329.40 is: 121,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,269.26 : 361,856.28 = 81,329.40 : x
  2. Step 2: Convert to fraction form
    241,269.26/361,856.28 = 81,329.40/x
  3. Step 3: Cross multiply
    241,269.26x = 361,856.28 × 81,329.40
  4. Step 4: Simplify right side
    241,269.26x = 29,429,554,138.63
  5. Step 5: Solve for x
    x = 29,429,554,138.63/241,269.26
  6. Step 6: Final answer
    x = 121,978.05

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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.