Finding the Fourth Proportional to 97,892.20, 146,838.30 and 68,367.70
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Solution
The fourth proportional to 97,892.20, 146,838.30 and 68,367.70 is: 102,551.55
Step by Step Solution
- Step 1: Write the proportion equation
97,892.20 : 146,838.30 = 68,367.70 : x - Step 2: Convert to fraction form
97,892.20/146,838.30 = 68,367.70/x - Step 3: Cross multiply
97,892.20x = 146,838.30 × 68,367.70 - Step 4: Simplify right side
97,892.20x = 10,038,996,842.91 - Step 5: Solve for x
x = 10,038,996,842.91/97,892.20 - Step 6: Final answer
x = 102,551.55
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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.