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Finding the Fourth Proportional to 238,650.51, 357,957.03 and 138,747

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Solution

The fourth proportional to 238,650.51, 357,957.03 and 138,747 is: 208,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,650.51 : 357,957.03 = 138,747 : x
  2. Step 2: Convert to fraction form
    238,650.51/357,957.03 = 138,747/x
  3. Step 3: Cross multiply
    238,650.51x = 357,957.03 × 138,747
  4. Step 4: Simplify right side
    238,650.51x = 49,665,464,041.41
  5. Step 5: Solve for x
    x = 49,665,464,041.41/238,650.51
  6. Step 6: Final answer
    x = 208,109.61

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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.