Finding the Fourth Proportional to 221,856.04, 306,125.94 and 126,364.60
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Solution
The fourth proportional to 221,856.04, 306,125.94 and 126,364.60 is: 174,362.99
Step by Step Solution
- Step 1: Write the proportion equation
221,856.04 : 306,125.94 = 126,364.60 : x - Step 2: Convert to fraction form
221,856.04/306,125.94 = 126,364.60/x - Step 3: Cross multiply
221,856.04x = 306,125.94 × 126,364.60 - Step 4: Simplify right side
221,856.04x = 38,683,481,957.72 - Step 5: Solve for x
x = 38,683,481,957.72/221,856.04 - Step 6: Final answer
x = 174,362.99
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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.