Finding the Fourth Proportional to 232,653.44, 320,979.99 and 152,128.10
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Solution
The fourth proportional to 232,653.44, 320,979.99 and 152,128.10 is: 209,883.32
Step by Step Solution
- Step 1: Write the proportion equation
232,653.44 : 320,979.99 = 152,128.10 : x - Step 2: Convert to fraction form
232,653.44/320,979.99 = 152,128.10/x - Step 3: Cross multiply
232,653.44x = 320,979.99 × 152,128.10 - Step 4: Simplify right side
232,653.44x = 48,830,074,411.82 - Step 5: Solve for x
x = 48,830,074,411.82/232,653.44 - Step 6: Final answer
x = 209,883.32
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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.