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Finding the Fourth Proportional to 238,509.48, 357,762.38 and 61,016.20

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Solution

The fourth proportional to 238,509.48, 357,762.38 and 61,016.20 is: 91,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,509.48 : 357,762.38 = 61,016.20 : x
  2. Step 2: Convert to fraction form
    238,509.48/357,762.38 = 61,016.20/x
  3. Step 3: Cross multiply
    238,509.48x = 357,762.38 × 61,016.20
  4. Step 4: Simplify right side
    238,509.48x = 21,829,300,930.56
  5. Step 5: Solve for x
    x = 21,829,300,930.56/238,509.48
  6. Step 6: Final answer
    x = 91,523.83

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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.