Finding the Fourth Proportional to 232,137.04, 320,213.05 and 145,959.44
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Solution
The fourth proportional to 232,137.04, 320,213.05 and 145,959.44 is: 201,338.48
Step by Step Solution
- Step 1: Write the proportion equation
232,137.04 : 320,213.05 = 145,959.44 : x - Step 2: Convert to fraction form
232,137.04/320,213.05 = 145,959.44/x - Step 3: Cross multiply
232,137.04x = 320,213.05 × 145,959.44 - Step 4: Simplify right side
232,137.04x = 46,738,118,194.53 - Step 5: Solve for x
x = 46,738,118,194.53/232,137.04 - Step 6: Final answer
x = 201,338.48
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Double scale
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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.