Finding the Fourth Proportional to 209,707.49, 314,441.28 and 97,329.84
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Solution
The fourth proportional to 209,707.49, 314,441.28 and 97,329.84 is: 145,939.09
Step by Step Solution
- Step 1: Write the proportion equation
209,707.49 : 314,441.28 = 97,329.84 : x - Step 2: Convert to fraction form
209,707.49/314,441.28 = 97,329.84/x - Step 3: Cross multiply
209,707.49x = 314,441.28 × 97,329.84 - Step 4: Simplify right side
209,707.49x = 30,604,519,471.80 - Step 5: Solve for x
x = 30,604,519,471.80/209,707.49 - Step 6: Final answer
x = 145,939.09
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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.