Home / 426,269.78-588,249.10-235,283.12

Finding the Fourth Proportional to 426,269.78, 588,249.10 and 235,283.12

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Solution

The fourth proportional to 426,269.78, 588,249.10 and 235,283.12 is: 324,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,269.78 : 588,249.10 = 235,283.12 : x
  2. Step 2: Convert to fraction form
    426,269.78/588,249.10 = 235,283.12/x
  3. Step 3: Cross multiply
    426,269.78x = 588,249.10 × 235,283.12
  4. Step 4: Simplify right side
    426,269.78x = 138,405,083,585.19
  5. Step 5: Solve for x
    x = 138,405,083,585.19/426,269.78
  6. Step 6: Final answer
    x = 324,688.94

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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.