Finding the Fourth Proportional to 163,057.70, 244,586.55 and 139,729.70
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Solution
The fourth proportional to 163,057.70, 244,586.55 and 139,729.70 is: 209,594.55
Step by Step Solution
- Step 1: Write the proportion equation
163,057.70 : 244,586.55 = 139,729.70 : x - Step 2: Convert to fraction form
163,057.70/244,586.55 = 139,729.70/x - Step 3: Cross multiply
163,057.70x = 244,586.55 × 139,729.70 - Step 4: Simplify right side
163,057.70x = 34,176,005,255.54 - Step 5: Solve for x
x = 34,176,005,255.54/163,057.70 - Step 6: Final answer
x = 209,594.55
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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.