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Finding the Fourth Proportional to 338,760.82, 508,141.26 and 89,444.98

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Solution

The fourth proportional to 338,760.82, 508,141.26 and 89,444.98 is: 134,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,760.82 : 508,141.26 = 89,444.98 : x
  2. Step 2: Convert to fraction form
    338,760.82/508,141.26 = 89,444.98/x
  3. Step 3: Cross multiply
    338,760.82x = 508,141.26 × 89,444.98
  4. Step 4: Simplify right side
    338,760.82x = 45,450,684,837.87
  5. Step 5: Solve for x
    x = 45,450,684,837.87/338,760.82
  6. Step 6: Final answer
    x = 134,167.48

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1.5x scale

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.