Finding the Fourth Proportional to 247,421.40, 341,442.99 and 134,244.06
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Solution
The fourth proportional to 247,421.40, 341,442.99 and 134,244.06 is: 185,257.59
Step by Step Solution
- Step 1: Write the proportion equation
247,421.40 : 341,442.99 = 134,244.06 : x - Step 2: Convert to fraction form
247,421.40/341,442.99 = 134,244.06/x - Step 3: Cross multiply
247,421.40x = 341,442.99 × 134,244.06 - Step 4: Simplify right side
247,421.40x = 45,836,693,236.14 - Step 5: Solve for x
x = 45,836,693,236.14/247,421.40 - Step 6: Final answer
x = 185,257.59
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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.