Finding the Fourth Proportional to 74,911.96, 112,384.16 and 22,325.68
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Solution
The fourth proportional to 74,911.96, 112,384.16 and 22,325.68 is: 33,493.35
Step by Step Solution
- Step 1: Write the proportion equation
74,911.96 : 112,384.16 = 22,325.68 : x - Step 2: Convert to fraction form
74,911.96/112,384.16 = 22,325.68/x - Step 3: Cross multiply
74,911.96x = 112,384.16 × 22,325.68 - Step 4: Simplify right side
74,911.96x = 2,509,052,793.23 - Step 5: Solve for x
x = 2,509,052,793.23/74,911.96 - Step 6: Final answer
x = 33,493.35
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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.