Finding the Fourth Proportional to 237,421.97, 327,641.63 and 129,991.13
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Solution
The fourth proportional to 237,421.97, 327,641.63 and 129,991.13 is: 179,387.38
Step by Step Solution
- Step 1: Write the proportion equation
237,421.97 : 327,641.63 = 129,991.13 : x - Step 2: Convert to fraction form
237,421.97/327,641.63 = 129,991.13/x - Step 3: Cross multiply
237,421.97x = 327,641.63 × 129,991.13 - Step 4: Simplify right side
237,421.97x = 42,590,505,068.79 - Step 5: Solve for x
x = 42,590,505,068.79/237,421.97 - Step 6: Final answer
x = 179,387.38
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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.