Finding the Fourth Proportional to 242,293.74, 334,365.36 and 134,861.46
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Solution
The fourth proportional to 242,293.74, 334,365.36 and 134,861.46 is: 186,108.81
Step by Step Solution
- Step 1: Write the proportion equation
242,293.74 : 334,365.36 = 134,861.46 : x - Step 2: Convert to fraction form
242,293.74/334,365.36 = 134,861.46/x - Step 3: Cross multiply
242,293.74x = 334,365.36 × 134,861.46 - Step 4: Simplify right side
242,293.74x = 45,093,000,623.03 - Step 5: Solve for x
x = 45,093,000,623.03/242,293.74 - Step 6: Final answer
x = 186,108.81
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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.