Finding the Fourth Proportional to 161,545.26, 242,350.70 and 66,783.91
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Solution
The fourth proportional to 161,545.26, 242,350.70 and 66,783.91 is: 100,189.43
Step by Step Solution
- Step 1: Write the proportion equation
161,545.26 : 242,350.70 = 66,783.91 : x - Step 2: Convert to fraction form
161,545.26/242,350.70 = 66,783.91/x - Step 3: Cross multiply
161,545.26x = 242,350.70 × 66,783.91 - Step 4: Simplify right side
161,545.26x = 16,185,127,337.24 - Step 5: Solve for x
x = 16,185,127,337.24/161,545.26 - Step 6: Final answer
x = 100,189.43
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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.