Finding the Fourth Proportional to 197,160.70, 295,631.70 and 84,821.80
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Solution
The fourth proportional to 197,160.70, 295,631.70 and 84,821.80 is: 127,185.66
Step by Step Solution
- Step 1: Write the proportion equation
197,160.70 : 295,631.70 = 84,821.80 : x - Step 2: Convert to fraction form
197,160.70/295,631.70 = 84,821.80/x - Step 3: Cross multiply
197,160.70x = 295,631.70 × 84,821.80 - Step 4: Simplify right side
197,160.70x = 25,076,012,931.06 - Step 5: Solve for x
x = 25,076,012,931.06/197,160.70 - Step 6: Final answer
x = 127,185.66
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1.5x scale
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.