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Finding the Fourth Proportional to 338,899.77, 507,963.02 and 158,796.81

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Solution

The fourth proportional to 338,899.77, 507,963.02 and 158,796.81 is: 238,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,899.77 : 507,963.02 = 158,796.81 : x
  2. Step 2: Convert to fraction form
    338,899.77/507,963.02 = 158,796.81/x
  3. Step 3: Cross multiply
    338,899.77x = 507,963.02 × 158,796.81
  4. Step 4: Simplify right side
    338,899.77x = 80,662,906,379.98
  5. Step 5: Solve for x
    x = 80,662,906,379.98/338,899.77
  6. Step 6: Final answer
    x = 238,014.05

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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.