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Finding the Fourth Proportional to 255,725.88, 353,052.93 and 227,353.07

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Solution

The fourth proportional to 255,725.88, 353,052.93 and 227,353.07 is: 313,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,725.88 : 353,052.93 = 227,353.07 : x
  2. Step 2: Convert to fraction form
    255,725.88/353,052.93 = 227,353.07/x
  3. Step 3: Cross multiply
    255,725.88x = 353,052.93 × 227,353.07
  4. Step 4: Simplify right side
    255,725.88x = 80,267,665,742.73
  5. Step 5: Solve for x
    x = 80,267,665,742.73/255,725.88
  6. Step 6: Final answer
    x = 313,881.67

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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.