Finding the Fourth Proportional to 307,489.01, 461,188.91 and 117,997.07
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Solution
The fourth proportional to 307,489.01, 461,188.91 and 117,997.07 is: 176,978.49
Step by Step Solution
- Step 1: Write the proportion equation
307,489.01 : 461,188.91 = 117,997.07 : x - Step 2: Convert to fraction form
307,489.01/461,188.91 = 117,997.07/x - Step 3: Cross multiply
307,489.01x = 461,188.91 × 117,997.07 - Step 4: Simplify right side
307,489.01x = 54,418,940,679.73 - Step 5: Solve for x
x = 54,418,940,679.73/307,489.01 - Step 6: Final answer
x = 176,978.49
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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.