Home / 325,245.36-487,852.56-135,627.60

Finding the Fourth Proportional to 325,245.36, 487,852.56 and 135,627.60

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Solution

The fourth proportional to 325,245.36, 487,852.56 and 135,627.60 is: 203,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,245.36 : 487,852.56 = 135,627.60 : x
  2. Step 2: Convert to fraction form
    325,245.36/487,852.56 = 135,627.60/x
  3. Step 3: Cross multiply
    325,245.36x = 487,852.56 × 135,627.60
  4. Step 4: Simplify right side
    325,245.36x = 66,166,271,866.66
  5. Step 5: Solve for x
    x = 66,166,271,866.66/325,245.36
  6. Step 6: Final answer
    x = 203,434.94

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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.