Finding the Fourth Proportional to 221,377.08, 305,545.86 and 135,350.76
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Solution
The fourth proportional to 221,377.08, 305,545.86 and 135,350.76 is: 186,811.86
Step by Step Solution
- Step 1: Write the proportion equation
221,377.08 : 305,545.86 = 135,350.76 : x - Step 2: Convert to fraction form
221,377.08/305,545.86 = 135,350.76/x - Step 3: Cross multiply
221,377.08x = 305,545.86 × 135,350.76 - Step 4: Simplify right side
221,377.08x = 41,355,864,365.85 - Step 5: Solve for x
x = 41,355,864,365.85/221,377.08 - Step 6: Final answer
x = 186,811.86
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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.