Home / 255,464.43-352,504.76-145,079.25

Finding the Fourth Proportional to 255,464.43, 352,504.76 and 145,079.25

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Solution

The fourth proportional to 255,464.43, 352,504.76 and 145,079.25 is: 200,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,464.43 : 352,504.76 = 145,079.25 : x
  2. Step 2: Convert to fraction form
    255,464.43/352,504.76 = 145,079.25/x
  3. Step 3: Cross multiply
    255,464.43x = 352,504.76 × 145,079.25
  4. Step 4: Simplify right side
    255,464.43x = 51,141,125,476.83
  5. Step 5: Solve for x
    x = 51,141,125,476.83/255,464.43
  6. Step 6: Final answer
    x = 200,188.83

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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.