Finding the Fourth Proportional to 247,715.70, 341,842.05 and 134,536.02
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Solution
The fourth proportional to 247,715.70, 341,842.05 and 134,536.02 is: 185,656.66
Step by Step Solution
- Step 1: Write the proportion equation
247,715.70 : 341,842.05 = 134,536.02 : x - Step 2: Convert to fraction form
247,715.70/341,842.05 = 134,536.02/x - Step 3: Cross multiply
247,715.70x = 341,842.05 × 134,536.02 - Step 4: Simplify right side
247,715.70x = 45,990,068,875.64 - Step 5: Solve for x
x = 45,990,068,875.64/247,715.70 - Step 6: Final answer
x = 185,656.66
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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.