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Finding the Fourth Proportional to 238,409.04, 357,558.12 and 88,719.82

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Solution

The fourth proportional to 238,409.04, 357,558.12 and 88,719.82 is: 133,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,409.04 : 357,558.12 = 88,719.82 : x
  2. Step 2: Convert to fraction form
    238,409.04/357,558.12 = 88,719.82/x
  3. Step 3: Cross multiply
    238,409.04x = 357,558.12 × 88,719.82
  4. Step 4: Simplify right side
    238,409.04x = 31,722,493,412.83
  5. Step 5: Solve for x
    x = 31,722,493,412.83/238,409.04
  6. Step 6: Final answer
    x = 133,059.11

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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.