Finding the Fourth Proportional to 181,986.18, 271,555.70 and 163,073.49
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Solution
The fourth proportional to 181,986.18, 271,555.70 and 163,073.49 is: 243,334.60
Step by Step Solution
- Step 1: Write the proportion equation
181,986.18 : 271,555.70 = 163,073.49 : x - Step 2: Convert to fraction form
181,986.18/271,555.70 = 163,073.49/x - Step 3: Cross multiply
181,986.18x = 271,555.70 × 163,073.49 - Step 4: Simplify right side
181,986.18x = 44,283,534,913.03 - Step 5: Solve for x
x = 44,283,534,913.03/181,986.18 - Step 6: Final answer
x = 243,334.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.