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Finding the Fourth Proportional to 238,297.53, 357,594.03 and 138,504.72

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Solution

The fourth proportional to 238,297.53, 357,594.03 and 138,504.72 is: 207,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,297.53 : 357,594.03 = 138,504.72 : x
  2. Step 2: Convert to fraction form
    238,297.53/357,594.03 = 138,504.72/x
  3. Step 3: Cross multiply
    238,297.53x = 357,594.03 × 138,504.72
  4. Step 4: Simplify right side
    238,297.53x = 49,528,460,998.82
  5. Step 5: Solve for x
    x = 49,528,460,998.82/238,297.53
  6. Step 6: Final answer
    x = 207,842.95

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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.