Finding the Fourth Proportional to 232,021.63, 320,161.35 and 141,344.70
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Solution
The fourth proportional to 232,021.63, 320,161.35 and 141,344.70 is: 195,038.32
Step by Step Solution
- Step 1: Write the proportion equation
232,021.63 : 320,161.35 = 141,344.70 : x - Step 2: Convert to fraction form
232,021.63/320,161.35 = 141,344.70/x - Step 3: Cross multiply
232,021.63x = 320,161.35 × 141,344.70 - Step 4: Simplify right side
232,021.63x = 45,253,109,967.35 - Step 5: Solve for x
x = 45,253,109,967.35/232,021.63 - Step 6: Final answer
x = 195,038.32
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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.