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Finding the Fourth Proportional to 227,556.60, 313,892.80 and 147,031.60

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Solution

The fourth proportional to 227,556.60, 313,892.80 and 147,031.60 is: 202,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,556.60 : 313,892.80 = 147,031.60 : x
  2. Step 2: Convert to fraction form
    227,556.60/313,892.80 = 147,031.60/x
  3. Step 3: Cross multiply
    227,556.60x = 313,892.80 × 147,031.60
  4. Step 4: Simplify right side
    227,556.60x = 46,152,160,612.48
  5. Step 5: Solve for x
    x = 46,152,160,612.48/227,556.60
  6. Step 6: Final answer
    x = 202,816.18

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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.