Home / 351,449.52-485,004.36-190,308.24

Finding the Fourth Proportional to 351,449.52, 485,004.36 and 190,308.24

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Solution

The fourth proportional to 351,449.52, 485,004.36 and 190,308.24 is: 262,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,449.52 : 485,004.36 = 190,308.24 : x
  2. Step 2: Convert to fraction form
    351,449.52/485,004.36 = 190,308.24/x
  3. Step 3: Cross multiply
    351,449.52x = 485,004.36 × 190,308.24
  4. Step 4: Simplify right side
    351,449.52x = 92,300,326,143.93
  5. Step 5: Solve for x
    x = 92,300,326,143.93/351,449.52
  6. Step 6: Final answer
    x = 262,627.55

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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.