Finding the Fourth Proportional to 201,731.80, 302,597.70 and 191,363.80
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Solution
The fourth proportional to 201,731.80, 302,597.70 and 191,363.80 is: 287,045.70
Step by Step Solution
- Step 1: Write the proportion equation
201,731.80 : 302,597.70 = 191,363.80 : x - Step 2: Convert to fraction form
201,731.80/302,597.70 = 191,363.80/x - Step 3: Cross multiply
201,731.80x = 302,597.70 × 191,363.80 - Step 4: Simplify right side
201,731.80x = 57,906,245,743.26 - Step 5: Solve for x
x = 57,906,245,743.26/201,731.80 - Step 6: Final answer
x = 287,045.70
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1.5x scale
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.