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Finding the Fourth Proportional to 314,795.80, 434,405.52 and 171,552.76

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Solution

The fourth proportional to 314,795.80, 434,405.52 and 171,552.76 is: 236,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,795.80 : 434,405.52 = 171,552.76 : x
  2. Step 2: Convert to fraction form
    314,795.80/434,405.52 = 171,552.76/x
  3. Step 3: Cross multiply
    314,795.80x = 434,405.52 × 171,552.76
  4. Step 4: Simplify right side
    314,795.80x = 74,523,467,001.25
  5. Step 5: Solve for x
    x = 74,523,467,001.25/314,795.80
  6. Step 6: Final answer
    x = 236,735.90

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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.