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Finding the Fourth Proportional to 426,223.52, 588,192.56 and 235,232.80

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Solution

The fourth proportional to 426,223.52, 588,192.56 and 235,232.80 is: 324,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,223.52 : 588,192.56 = 235,232.80 : x
  2. Step 2: Convert to fraction form
    426,223.52/588,192.56 = 235,232.80/x
  3. Step 3: Cross multiply
    426,223.52x = 588,192.56 × 235,232.80
  4. Step 4: Simplify right side
    426,223.52x = 138,362,182,827.97
  5. Step 5: Solve for x
    x = 138,362,182,827.97/426,223.52
  6. Step 6: Final answer
    x = 324,623.53

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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.