Home / 426,429.03-588,468.09-235,443.78

Finding the Fourth Proportional to 426,429.03, 588,468.09 and 235,443.78

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Solution

The fourth proportional to 426,429.03, 588,468.09 and 235,443.78 is: 324,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,429.03 : 588,468.09 = 235,443.78 : x
  2. Step 2: Convert to fraction form
    426,429.03/588,468.09 = 235,443.78/x
  3. Step 3: Cross multiply
    426,429.03x = 588,468.09 × 235,443.78
  4. Step 4: Simplify right side
    426,429.03x = 138,551,151,518.98
  5. Step 5: Solve for x
    x = 138,551,151,518.98/426,429.03
  6. Step 6: Final answer
    x = 324,910.22

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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.