Home / 389,299.74-537,246.46-225,943.90

Finding the Fourth Proportional to 389,299.74, 537,246.46 and 225,943.90

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Solution

The fourth proportional to 389,299.74, 537,246.46 and 225,943.90 is: 311,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,299.74 : 537,246.46 = 225,943.90 : x
  2. Step 2: Convert to fraction form
    389,299.74/537,246.46 = 225,943.90/x
  3. Step 3: Cross multiply
    389,299.74x = 537,246.46 × 225,943.90
  4. Step 4: Simplify right side
    389,299.74x = 121,387,560,433.59
  5. Step 5: Solve for x
    x = 121,387,560,433.59/389,299.74
  6. Step 6: Final answer
    x = 311,810.02

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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.