Home / 389,269.18-536,889.22-245,976.94

Finding the Fourth Proportional to 389,269.18, 536,889.22 and 245,976.94

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Solution

The fourth proportional to 389,269.18, 536,889.22 and 245,976.94 is: 339,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,269.18 : 536,889.22 = 245,976.94 : x
  2. Step 2: Convert to fraction form
    389,269.18/536,889.22 = 245,976.94/x
  3. Step 3: Cross multiply
    389,269.18x = 536,889.22 × 245,976.94
  4. Step 4: Simplify right side
    389,269.18x = 132,062,367,454.59
  5. Step 5: Solve for x
    x = 132,062,367,454.59/389,269.18
  6. Step 6: Final answer
    x = 339,257.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.