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Finding the Fourth Proportional to 234,589.31, 324,002.29 and 154,374.93

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Solution

The fourth proportional to 234,589.31, 324,002.29 and 154,374.93 is: 213,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,589.31 : 324,002.29 = 154,374.93 : x
  2. Step 2: Convert to fraction form
    234,589.31/324,002.29 = 154,374.93/x
  3. Step 3: Cross multiply
    234,589.31x = 324,002.29 × 154,374.93
  4. Step 4: Simplify right side
    234,589.31x = 50,017,832,246.57
  5. Step 5: Solve for x
    x = 50,017,832,246.57/234,589.31
  6. Step 6: Final answer
    x = 213,214.46

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1.5x scale

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.