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Finding the Fourth Proportional to 255,705.81, 353,025.39 and 227,333.13

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Solution

The fourth proportional to 255,705.81, 353,025.39 and 227,333.13 is: 313,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,705.81 : 353,025.39 = 227,333.13 : x
  2. Step 2: Convert to fraction form
    255,705.81/353,025.39 = 227,333.13/x
  3. Step 3: Cross multiply
    255,705.81x = 353,025.39 × 227,333.13
  4. Step 4: Simplify right side
    255,705.81x = 80,254,367,760.73
  5. Step 5: Solve for x
    x = 80,254,367,760.73/255,705.81
  6. Step 6: Final answer
    x = 313,854.30

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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.