Finding the Fourth Proportional to 181,126.13, 271,688.58 and 74,435.76
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Solution
The fourth proportional to 181,126.13, 271,688.58 and 74,435.76 is: 111,653.39
Step by Step Solution
- Step 1: Write the proportion equation
181,126.13 : 271,688.58 = 74,435.76 : x - Step 2: Convert to fraction form
181,126.13/271,688.58 = 74,435.76/x - Step 3: Cross multiply
181,126.13x = 271,688.58 × 74,435.76 - Step 4: Simplify right side
181,126.13x = 20,223,345,935.62 - Step 5: Solve for x
x = 20,223,345,935.62/181,126.13 - Step 6: Final answer
x = 111,653.39
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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.