Finding the Fourth Proportional to 232,283.20, 320,557.08 and 136,772.32
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Solution
The fourth proportional to 232,283.20, 320,557.08 and 136,772.32 is: 188,749.49
Step by Step Solution
- Step 1: Write the proportion equation
232,283.20 : 320,557.08 = 136,772.32 : x - Step 2: Convert to fraction form
232,283.20/320,557.08 = 136,772.32/x - Step 3: Cross multiply
232,283.20x = 320,557.08 × 136,772.32 - Step 4: Simplify right side
232,283.20x = 43,843,335,524.03 - Step 5: Solve for x
x = 43,843,335,524.03/232,283.20 - Step 6: Final answer
x = 188,749.49
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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.