Finding the Fourth Proportional to 233,716.20, 322,594.42 and 138,256.08
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Solution
The fourth proportional to 233,716.20, 322,594.42 and 138,256.08 is: 190,832.47
Step by Step Solution
- Step 1: Write the proportion equation
233,716.20 : 322,594.42 = 138,256.08 : x - Step 2: Convert to fraction form
233,716.20/322,594.42 = 138,256.08/x - Step 3: Cross multiply
233,716.20x = 322,594.42 × 138,256.08 - Step 4: Simplify right side
233,716.20x = 44,600,639,939.07 - Step 5: Solve for x
x = 44,600,639,939.07/233,716.20 - Step 6: Final answer
x = 190,832.47
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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.