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Finding the Fourth Proportional to 255,705.57, 353,025.05 and 227,332.89

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Solution

The fourth proportional to 255,705.57, 353,025.05 and 227,332.89 is: 313,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,705.57 : 353,025.05 = 227,332.89 : x
  2. Step 2: Convert to fraction form
    255,705.57/353,025.05 = 227,332.89/x
  3. Step 3: Cross multiply
    255,705.57x = 353,025.05 × 227,332.89
  4. Step 4: Simplify right side
    255,705.57x = 80,254,203,722.23
  5. Step 5: Solve for x
    x = 80,254,203,722.23/255,705.57
  6. Step 6: Final answer
    x = 313,853.95

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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.