Home / 631,031.54-945,985.98-231,580.88

Finding the Fourth Proportional to 631,031.54, 945,985.98 and 231,580.88

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Solution

The fourth proportional to 631,031.54, 945,985.98 and 231,580.88 is: 347,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,031.54 : 945,985.98 = 231,580.88 : x
  2. Step 2: Convert to fraction form
    631,031.54/945,985.98 = 231,580.88/x
  3. Step 3: Cross multiply
    631,031.54x = 945,985.98 × 231,580.88
  4. Step 4: Simplify right side
    631,031.54x = 219,072,265,716.06
  5. Step 5: Solve for x
    x = 219,072,265,716.06/631,031.54
  6. Step 6: Final answer
    x = 347,165.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.