Finding the Fourth Proportional to 232,388.96, 320,670.42 and 130,401.08
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Solution
The fourth proportional to 232,388.96, 320,670.42 and 130,401.08 is: 179,938.71
Step by Step Solution
- Step 1: Write the proportion equation
232,388.96 : 320,670.42 = 130,401.08 : x - Step 2: Convert to fraction form
232,388.96/320,670.42 = 130,401.08/x - Step 3: Cross multiply
232,388.96x = 320,670.42 × 130,401.08 - Step 4: Simplify right side
232,388.96x = 41,815,769,092.05 - Step 5: Solve for x
x = 41,815,769,092.05/232,388.96 - Step 6: Final answer
x = 179,938.71
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1.5x scale
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.