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Finding the Fourth Proportional to 238,699.95, 329,399.36 and 131,269.98

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Solution

The fourth proportional to 238,699.95, 329,399.36 and 131,269.98 is: 181,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,699.95 : 329,399.36 = 131,269.98 : x
  2. Step 2: Convert to fraction form
    238,699.95/329,399.36 = 131,269.98/x
  3. Step 3: Cross multiply
    238,699.95x = 329,399.36 × 131,269.98
  4. Step 4: Simplify right side
    238,699.95x = 43,240,246,742.86
  5. Step 5: Solve for x
    x = 43,240,246,742.86/238,699.95
  6. Step 6: Final answer
    x = 181,148.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.