Finding the Fourth Proportional to 84,310.44, 126,428.60 and 44,858.18
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Solution
The fourth proportional to 84,310.44, 126,428.60 and 44,858.18 is: 67,267.55
Step by Step Solution
- Step 1: Write the proportion equation
84,310.44 : 126,428.60 = 44,858.18 : x - Step 2: Convert to fraction form
84,310.44/126,428.60 = 44,858.18/x - Step 3: Cross multiply
84,310.44x = 126,428.60 × 44,858.18 - Step 4: Simplify right side
84,310.44x = 5,671,356,895.95 - Step 5: Solve for x
x = 5,671,356,895.95/84,310.44 - Step 6: Final answer
x = 67,267.55
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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.