Finding the Fourth Proportional to 68,911.24, 103,376.58 and 22,153.18
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Solution
The fourth proportional to 68,911.24, 103,376.58 and 22,153.18 is: 33,232.89
Step by Step Solution
- Step 1: Write the proportion equation
68,911.24 : 103,376.58 = 22,153.18 : x - Step 2: Convert to fraction form
68,911.24/103,376.58 = 22,153.18/x - Step 3: Cross multiply
68,911.24x = 103,376.58 × 22,153.18 - Step 4: Simplify right side
68,911.24x = 2,290,119,984.52 - Step 5: Solve for x
x = 2,290,119,984.52/68,911.24 - Step 6: Final answer
x = 33,232.89
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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.