Home / 314,835.09-434,481.53-171,604.41

Finding the Fourth Proportional to 314,835.09, 434,481.53 and 171,604.41

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Solution

The fourth proportional to 314,835.09, 434,481.53 and 171,604.41 is: 236,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,835.09 : 434,481.53 = 171,604.41 : x
  2. Step 2: Convert to fraction form
    314,835.09/434,481.53 = 171,604.41/x
  3. Step 3: Cross multiply
    314,835.09x = 434,481.53 × 171,604.41
  4. Step 4: Simplify right side
    314,835.09x = 74,558,946,611.55
  5. Step 5: Solve for x
    x = 74,558,946,611.55/314,835.09
  6. Step 6: Final answer
    x = 236,819.05

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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.