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Finding the Fourth Proportional to 255,558.68, 352,672.36 and 146,654.34

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Solution

The fourth proportional to 255,558.68, 352,672.36 and 146,654.34 is: 202,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,558.68 : 352,672.36 = 146,654.34 : x
  2. Step 2: Convert to fraction form
    255,558.68/352,672.36 = 146,654.34/x
  3. Step 3: Cross multiply
    255,558.68x = 352,672.36 × 146,654.34
  4. Step 4: Simplify right side
    255,558.68x = 51,720,932,192.04
  5. Step 5: Solve for x
    x = 51,720,932,192.04/255,558.68
  6. Step 6: Final answer
    x = 202,383.78

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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.