Home / 369,936.68-510,512.91-256,825.04

Finding the Fourth Proportional to 369,936.68, 510,512.91 and 256,825.04

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Solution

The fourth proportional to 369,936.68, 510,512.91 and 256,825.04 is: 354,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,936.68 : 510,512.91 = 256,825.04 : x
  2. Step 2: Convert to fraction form
    369,936.68/510,512.91 = 256,825.04/x
  3. Step 3: Cross multiply
    369,936.68x = 510,512.91 × 256,825.04
  4. Step 4: Simplify right side
    369,936.68x = 131,112,498,531.27
  5. Step 5: Solve for x
    x = 131,112,498,531.27/369,936.68
  6. Step 6: Final answer
    x = 354,418.76

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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.