Finding the Fourth Proportional to 177,328.40, 244,679.62 and 105,715.08
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Solution
The fourth proportional to 177,328.40, 244,679.62 and 105,715.08 is: 145,866.80
Step by Step Solution
- Step 1: Write the proportion equation
177,328.40 : 244,679.62 = 105,715.08 : x - Step 2: Convert to fraction form
177,328.40/244,679.62 = 105,715.08/x - Step 3: Cross multiply
177,328.40x = 244,679.62 × 105,715.08 - Step 4: Simplify right side
177,328.40x = 25,866,325,602.67 - Step 5: Solve for x
x = 25,866,325,602.67/177,328.40 - Step 6: Final answer
x = 145,866.80
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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.