Finding the Fourth Proportional to 242,293.64, 334,365.18 and 134,861.36
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Solution
The fourth proportional to 242,293.64, 334,365.18 and 134,861.36 is: 186,108.65
Step by Step Solution
- Step 1: Write the proportion equation
242,293.64 : 334,365.18 = 134,861.36 : x - Step 2: Convert to fraction form
242,293.64/334,365.18 = 134,861.36/x - Step 3: Cross multiply
242,293.64x = 334,365.18 × 134,861.36 - Step 4: Simplify right side
242,293.64x = 45,092,942,911.44 - Step 5: Solve for x
x = 45,092,942,911.44/242,293.64 - Step 6: Final answer
x = 186,108.65
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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.