Finding the Fourth Proportional to 193,263.18, 289,775.70 and 66,874.02
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Solution
The fourth proportional to 193,263.18, 289,775.70 and 66,874.02 is: 100,269.83
Step by Step Solution
- Step 1: Write the proportion equation
193,263.18 : 289,775.70 = 66,874.02 : x - Step 2: Convert to fraction form
193,263.18/289,775.70 = 66,874.02/x - Step 3: Cross multiply
193,263.18x = 289,775.70 × 66,874.02 - Step 4: Simplify right side
193,263.18x = 19,378,465,957.31 - Step 5: Solve for x
x = 19,378,465,957.31/193,263.18 - Step 6: Final answer
x = 100,269.83
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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.