Home / 426,120.90-588,029.64-235,131.80

Finding the Fourth Proportional to 426,120.90, 588,029.64 and 235,131.80

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Solution

The fourth proportional to 426,120.90, 588,029.64 and 235,131.80 is: 324,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,120.90 : 588,029.64 = 235,131.80 : x
  2. Step 2: Convert to fraction form
    426,120.90/588,029.64 = 235,131.80/x
  3. Step 3: Cross multiply
    426,120.90x = 588,029.64 × 235,131.80
  4. Step 4: Simplify right side
    426,120.90x = 138,264,467,706.55
  5. Step 5: Solve for x
    x = 138,264,467,706.55/426,120.90
  6. Step 6: Final answer
    x = 324,472.39

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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.