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Finding the Fourth Proportional to 238,833.36, 357,705.40 and 114,262.48

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Solution

The fourth proportional to 238,833.36, 357,705.40 and 114,262.48 is: 171,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,833.36 : 357,705.40 = 114,262.48 : x
  2. Step 2: Convert to fraction form
    238,833.36/357,705.40 = 114,262.48/x
  3. Step 3: Cross multiply
    238,833.36x = 357,705.40 × 114,262.48
  4. Step 4: Simplify right side
    238,833.36x = 40,872,306,113.39
  5. Step 5: Solve for x
    x = 40,872,306,113.39/238,833.36
  6. Step 6: Final answer
    x = 171,133.15

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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.