Finding the Fourth Proportional to 221,592.66, 305,793.66 and 135,545.34
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Solution
The fourth proportional to 221,592.66, 305,793.66 and 135,545.34 is: 187,049.99
Step by Step Solution
- Step 1: Write the proportion equation
221,592.66 : 305,793.66 = 135,545.34 : x - Step 2: Convert to fraction form
221,592.66/305,793.66 = 135,545.34/x - Step 3: Cross multiply
221,592.66x = 305,793.66 × 135,545.34 - Step 4: Simplify right side
221,592.66x = 41,448,905,614.54 - Step 5: Solve for x
x = 41,448,905,614.54/221,592.66 - Step 6: Final answer
x = 187,049.99
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1.5x scale
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.