Finding the Fourth Proportional to 89,473.08, 134,208.60 and 22,912.68
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Solution
The fourth proportional to 89,473.08, 134,208.60 and 22,912.68 is: 34,368.76
Step by Step Solution
- Step 1: Write the proportion equation
89,473.08 : 134,208.60 = 22,912.68 : x - Step 2: Convert to fraction form
89,473.08/134,208.60 = 22,912.68/x - Step 3: Cross multiply
89,473.08x = 134,208.60 × 22,912.68 - Step 4: Simplify right side
89,473.08x = 3,075,078,705.05 - Step 5: Solve for x
x = 3,075,078,705.05/89,473.08 - Step 6: Final answer
x = 34,368.76
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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.