Finding the Fourth Proportional to 191,079.82, 263,683.68 and 106,195.06
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Solution
The fourth proportional to 191,079.82, 263,683.68 and 106,195.06 is: 146,545.59
Step by Step Solution
- Step 1: Write the proportion equation
191,079.82 : 263,683.68 = 106,195.06 : x - Step 2: Convert to fraction form
191,079.82/263,683.68 = 106,195.06/x - Step 3: Cross multiply
191,079.82x = 263,683.68 × 106,195.06 - Step 4: Simplify right side
191,079.82x = 28,001,904,218.62 - Step 5: Solve for x
x = 28,001,904,218.62/191,079.82 - Step 6: Final answer
x = 146,545.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.