Finding the Fourth Proportional to 74,358.68, 102,608.16 and 44,138.84
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Solution
The fourth proportional to 74,358.68, 102,608.16 and 44,138.84 is: 60,907.55
Step by Step Solution
- Step 1: Write the proportion equation
74,358.68 : 102,608.16 = 44,138.84 : x - Step 2: Convert to fraction form
74,358.68/102,608.16 = 44,138.84/x - Step 3: Cross multiply
74,358.68x = 102,608.16 × 44,138.84 - Step 4: Simplify right side
74,358.68x = 4,529,005,156.93 - Step 5: Solve for x
x = 4,529,005,156.93/74,358.68 - Step 6: Final answer
x = 60,907.55
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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.