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Finding the Fourth Proportional to 469,659, 648,129.42 and 268,459.32

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Solution

The fourth proportional to 469,659, 648,129.42 and 268,459.32 is: 370,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,659 : 648,129.42 = 268,459.32 : x
  2. Step 2: Convert to fraction form
    469,659/648,129.42 = 268,459.32/x
  3. Step 3: Cross multiply
    469,659x = 648,129.42 × 268,459.32
  4. Step 4: Simplify right side
    469,659x = 173,996,383,365.19
  5. Step 5: Solve for x
    x = 173,996,383,365.19/469,659
  6. Step 6: Final answer
    x = 370,473.86

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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.