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Finding the Fourth Proportional to 567,792.69, 851,866.65 and 168,435.56

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Solution

The fourth proportional to 567,792.69, 851,866.65 and 168,435.56 is: 252,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,792.69 : 851,866.65 = 168,435.56 : x
  2. Step 2: Convert to fraction form
    567,792.69/851,866.65 = 168,435.56/x
  3. Step 3: Cross multiply
    567,792.69x = 851,866.65 × 168,435.56
  4. Step 4: Simplify right side
    567,792.69x = 143,484,631,978.74
  5. Step 5: Solve for x
    x = 143,484,631,978.74/567,792.69
  6. Step 6: Final answer
    x = 252,706.02

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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.