Finding the Fourth Proportional to 114,363.14, 171,545.12 and 80,982.23
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Solution
The fourth proportional to 114,363.14, 171,545.12 and 80,982.23 is: 121,473.63
Step by Step Solution
- Step 1: Write the proportion equation
114,363.14 : 171,545.12 = 80,982.23 : x - Step 2: Convert to fraction form
114,363.14/171,545.12 = 80,982.23/x - Step 3: Cross multiply
114,363.14x = 171,545.12 × 80,982.23 - Step 4: Simplify right side
114,363.14x = 13,892,105,100.58 - Step 5: Solve for x
x = 13,892,105,100.58/114,363.14 - Step 6: Final answer
x = 121,473.63
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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.