Finding the Fourth Proportional to 226,580.22, 312,655.68 and 135,940.14
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Solution
The fourth proportional to 226,580.22, 312,655.68 and 135,940.14 is: 187,582.38
Step by Step Solution
- Step 1: Write the proportion equation
226,580.22 : 312,655.68 = 135,940.14 : x - Step 2: Convert to fraction form
226,580.22/312,655.68 = 135,940.14/x - Step 3: Cross multiply
226,580.22x = 312,655.68 × 135,940.14 - Step 4: Simplify right side
226,580.22x = 42,502,456,911.00 - Step 5: Solve for x
x = 42,502,456,911.00/226,580.22 - Step 6: Final answer
x = 187,582.38
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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.