Home / 373,949.75-515,788.77-253,037.81

Finding the Fourth Proportional to 373,949.75, 515,788.77 and 253,037.81

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Solution

The fourth proportional to 373,949.75, 515,788.77 and 253,037.81 is: 349,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,949.75 : 515,788.77 = 253,037.81 : x
  2. Step 2: Convert to fraction form
    373,949.75/515,788.77 = 253,037.81/x
  3. Step 3: Cross multiply
    373,949.75x = 515,788.77 × 253,037.81
  4. Step 4: Simplify right side
    373,949.75x = 130,514,060,783.39
  5. Step 5: Solve for x
    x = 130,514,060,783.39/373,949.75
  6. Step 6: Final answer
    x = 349,014.97

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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.