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Finding the Fourth Proportional to 464,321.67, 696,410.66 and 190,795.60

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Solution

The fourth proportional to 464,321.67, 696,410.66 and 190,795.60 is: 286,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,321.67 : 696,410.66 = 190,795.60 : x
  2. Step 2: Convert to fraction form
    464,321.67/696,410.66 = 190,795.60/x
  3. Step 3: Cross multiply
    464,321.67x = 696,410.66 × 190,795.60
  4. Step 4: Simplify right side
    464,321.67x = 132,872,091,068.60
  5. Step 5: Solve for x
    x = 132,872,091,068.60/464,321.67
  6. Step 6: Final answer
    x = 286,163.88

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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.