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Finding the Fourth Proportional to 314,850.42, 434,500.47 and 171,617.58

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Solution

The fourth proportional to 314,850.42, 434,500.47 and 171,617.58 is: 236,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,850.42 : 434,500.47 = 171,617.58 : x
  2. Step 2: Convert to fraction form
    314,850.42/434,500.47 = 171,617.58/x
  3. Step 3: Cross multiply
    314,850.42x = 434,500.47 × 171,617.58
  4. Step 4: Simplify right side
    314,850.42x = 74,567,919,170.26
  5. Step 5: Solve for x
    x = 74,567,919,170.26/314,850.42
  6. Step 6: Final answer
    x = 236,836.02

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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.