Finding the Fourth Proportional to 232,483.48, 320,837.83 and 129,118.08
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Solution
The fourth proportional to 232,483.48, 320,837.83 and 129,118.08 is: 178,188.85
Step by Step Solution
- Step 1: Write the proportion equation
232,483.48 : 320,837.83 = 129,118.08 : x - Step 2: Convert to fraction form
232,483.48/320,837.83 = 129,118.08/x - Step 3: Cross multiply
232,483.48x = 320,837.83 × 129,118.08 - Step 4: Simplify right side
232,483.48x = 41,425,964,600.97 - Step 5: Solve for x
x = 41,425,964,600.97/232,483.48 - Step 6: Final answer
x = 178,188.85
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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.