Home / 426,198.90-588,137.28-235,209.80

Finding the Fourth Proportional to 426,198.90, 588,137.28 and 235,209.80

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Solution

The fourth proportional to 426,198.90, 588,137.28 and 235,209.80 is: 324,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,198.90 : 588,137.28 = 235,209.80 : x
  2. Step 2: Convert to fraction form
    426,198.90/588,137.28 = 235,209.80/x
  3. Step 3: Cross multiply
    426,198.90x = 588,137.28 × 235,209.80
  4. Step 4: Simplify right side
    426,198.90x = 138,335,652,001.34
  5. Step 5: Solve for x
    x = 138,335,652,001.34/426,198.90
  6. Step 6: Final answer
    x = 324,580.03

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1.5x scale

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.