Home / 314,865.32-434,268.36-201,698.60

Finding the Fourth Proportional to 314,865.32, 434,268.36 and 201,698.60

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Solution

The fourth proportional to 314,865.32, 434,268.36 and 201,698.60 is: 278,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,865.32 : 434,268.36 = 201,698.60 : x
  2. Step 2: Convert to fraction form
    314,865.32/434,268.36 = 201,698.60/x
  3. Step 3: Cross multiply
    314,865.32x = 434,268.36 × 201,698.60
  4. Step 4: Simplify right side
    314,865.32x = 87,591,320,236.30
  5. Step 5: Solve for x
    x = 87,591,320,236.30/314,865.32
  6. Step 6: Final answer
    x = 278,186.62

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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.