Home / 352,029.20-528,043.80-331,293.20

Finding the Fourth Proportional to 352,029.20, 528,043.80 and 331,293.20

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Solution

The fourth proportional to 352,029.20, 528,043.80 and 331,293.20 is: 496,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,029.20 : 528,043.80 = 331,293.20 : x
  2. Step 2: Convert to fraction form
    352,029.20/528,043.80 = 331,293.20/x
  3. Step 3: Cross multiply
    352,029.20x = 528,043.80 × 331,293.20
  4. Step 4: Simplify right side
    352,029.20x = 174,937,320,242.16
  5. Step 5: Solve for x
    x = 174,937,320,242.16/352,029.20
  6. Step 6: Final answer
    x = 496,939.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.