Finding the Fourth Proportional to 161,806.70, 242,623.65 and 68,206.70
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Solution
The fourth proportional to 161,806.70, 242,623.65 and 68,206.70 is: 102,273.63
Step by Step Solution
- Step 1: Write the proportion equation
161,806.70 : 242,623.65 = 68,206.70 : x - Step 2: Convert to fraction form
161,806.70/242,623.65 = 68,206.70/x - Step 3: Cross multiply
161,806.70x = 242,623.65 × 68,206.70 - Step 4: Simplify right side
161,806.70x = 16,548,558,508.46 - Step 5: Solve for x
x = 16,548,558,508.46/161,806.70 - Step 6: Final answer
x = 102,273.63
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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.