Finding the Fourth Proportional to 370,839.24, 511,736.67 and 209,728.08
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Solution
The fourth proportional to 370,839.24, 511,736.67 and 209,728.08 is: 289,412.60
Step by Step Solution
- Step 1: Write the proportion equation
370,839.24 : 511,736.67 = 209,728.08 : x - Step 2: Convert to fraction form
370,839.24/511,736.67 = 209,728.08/x - Step 3: Cross multiply
370,839.24x = 511,736.67 × 209,728.08 - Step 4: Simplify right side
370,839.24x = 107,325,549,264.69 - Step 5: Solve for x
x = 107,325,549,264.69/370,839.24 - Step 6: Final answer
x = 289,412.60
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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.