Finding the Fourth Proportional to 741,653.70, 1,112,480.55 and 209,167.80
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Solution
The fourth proportional to 741,653.70, 1,112,480.55 and 209,167.80 is: 313,751.70
Step by Step Solution
- Step 1: Write the proportion equation
741,653.70 : 1,112,480.55 = 209,167.80 : x - Step 2: Convert to fraction form
741,653.70/1,112,480.55 = 209,167.80/x - Step 3: Cross multiply
741,653.70x = 1,112,480.55 × 209,167.80 - Step 4: Simplify right side
741,653.70x = 232,695,109,186.29 - Step 5: Solve for x
x = 232,695,109,186.29/741,653.70 - Step 6: Final answer
x = 313,751.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.