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Finding the Fourth Proportional to 500,890.32, 751,381.80 and 181,122

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Solution

The fourth proportional to 500,890.32, 751,381.80 and 181,122 is: 271,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,890.32 : 751,381.80 = 181,122 : x
  2. Step 2: Convert to fraction form
    500,890.32/751,381.80 = 181,122/x
  3. Step 3: Cross multiply
    500,890.32x = 751,381.80 × 181,122
  4. Step 4: Simplify right side
    500,890.32x = 136,091,774,379.60
  5. Step 5: Solve for x
    x = 136,091,774,379.60/500,890.32
  6. Step 6: Final answer
    x = 271,699.75

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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.