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Finding the Fourth Proportional to 255,580.76, 352,687.08 and 140,859.07

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Solution

The fourth proportional to 255,580.76, 352,687.08 and 140,859.07 is: 194,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,580.76 : 352,687.08 = 140,859.07 : x
  2. Step 2: Convert to fraction form
    255,580.76/352,687.08 = 140,859.07/x
  3. Step 3: Cross multiply
    255,580.76x = 352,687.08 × 140,859.07
  4. Step 4: Simplify right side
    255,580.76x = 49,679,173,736.32
  5. Step 5: Solve for x
    x = 49,679,173,736.32/255,580.76
  6. Step 6: Final answer
    x = 194,377.59

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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.