Finding the Fourth Proportional to 145,549.49, 218,324.21 and 40,368.47
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Solution
The fourth proportional to 145,549.49, 218,324.21 and 40,368.47 is: 60,552.70
Step by Step Solution
- Step 1: Write the proportion equation
145,549.49 : 218,324.21 = 40,368.47 : x - Step 2: Convert to fraction form
145,549.49/218,324.21 = 40,368.47/x - Step 3: Cross multiply
145,549.49x = 218,324.21 × 40,368.47 - Step 4: Simplify right side
145,549.49x = 8,813,414,321.66 - Step 5: Solve for x
x = 8,813,414,321.66/145,549.49 - Step 6: Final answer
x = 60,552.70
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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.