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Finding the Fourth Proportional to 417,159, 625,757.94 and 121,671

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Solution

The fourth proportional to 417,159, 625,757.94 and 121,671 is: 182,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,159 : 625,757.94 = 121,671 : x
  2. Step 2: Convert to fraction form
    417,159/625,757.94 = 121,671/x
  3. Step 3: Cross multiply
    417,159x = 625,757.94 × 121,671
  4. Step 4: Simplify right side
    417,159x = 76,136,594,317.74
  5. Step 5: Solve for x
    x = 76,136,594,317.74/417,159
  6. Step 6: Final answer
    x = 182,512.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.