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Finding the Fourth Proportional to 227,031.55, 313,303.58 and 131,593.60

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Solution

The fourth proportional to 227,031.55, 313,303.58 and 131,593.60 is: 181,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,031.55 : 313,303.58 = 131,593.60 : x
  2. Step 2: Convert to fraction form
    227,031.55/313,303.58 = 131,593.60/x
  3. Step 3: Cross multiply
    227,031.55x = 313,303.58 × 131,593.60
  4. Step 4: Simplify right side
    227,031.55x = 41,228,745,985.09
  5. Step 5: Solve for x
    x = 41,228,745,985.09/227,031.55
  6. Step 6: Final answer
    x = 181,599.19

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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.