Home / 257,577.64-355,629.72-160,928.62

Finding the Fourth Proportional to 257,577.64, 355,629.72 and 160,928.62

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Solution

The fourth proportional to 257,577.64, 355,629.72 and 160,928.62 is: 222,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,577.64 : 355,629.72 = 160,928.62 : x
  2. Step 2: Convert to fraction form
    257,577.64/355,629.72 = 160,928.62/x
  3. Step 3: Cross multiply
    257,577.64x = 355,629.72 × 160,928.62
  4. Step 4: Simplify right side
    257,577.64x = 57,231,000,070.59
  5. Step 5: Solve for x
    x = 57,231,000,070.59/257,577.64
  6. Step 6: Final answer
    x = 222,189.32

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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.