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Finding the Fourth Proportional to 567,776.16, 851,533.02 and 168,320.61

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Solution

The fourth proportional to 567,776.16, 851,533.02 and 168,320.61 is: 252,442.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,776.16 : 851,533.02 = 168,320.61 : x
  2. Step 2: Convert to fraction form
    567,776.16/851,533.02 = 168,320.61/x
  3. Step 3: Cross multiply
    567,776.16x = 851,533.02 × 168,320.61
  4. Step 4: Simplify right side
    567,776.16x = 143,330,557,361.54
  5. Step 5: Solve for x
    x = 143,330,557,361.54/567,776.16
  6. Step 6: Final answer
    x = 252,442.01

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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.