Finding the Fourth Proportional to 92,420.43, 138,630.96 and 22,299.75
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Solution
The fourth proportional to 92,420.43, 138,630.96 and 22,299.75 is: 33,449.70
Step by Step Solution
- Step 1: Write the proportion equation
92,420.43 : 138,630.96 = 22,299.75 : x - Step 2: Convert to fraction form
92,420.43/138,630.96 = 22,299.75/x - Step 3: Cross multiply
92,420.43x = 138,630.96 × 22,299.75 - Step 4: Simplify right side
92,420.43x = 3,091,435,750.26 - Step 5: Solve for x
x = 3,091,435,750.26/92,420.43 - Step 6: Final answer
x = 33,449.70
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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.