Home / 446,086.08-615,635.46-255,136.32

Finding the Fourth Proportional to 446,086.08, 615,635.46 and 255,136.32

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Solution

The fourth proportional to 446,086.08, 615,635.46 and 255,136.32 is: 352,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,086.08 : 615,635.46 = 255,136.32 : x
  2. Step 2: Convert to fraction form
    446,086.08/615,635.46 = 255,136.32/x
  3. Step 3: Cross multiply
    446,086.08x = 615,635.46 × 255,136.32
  4. Step 4: Simplify right side
    446,086.08x = 157,070,965,725.91
  5. Step 5: Solve for x
    x = 157,070,965,725.91/446,086.08
  6. Step 6: Final answer
    x = 352,109.09

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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.