Finding the Fourth Proportional to 174,021.80, 261,032.70 and 163,653.80
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Solution
The fourth proportional to 174,021.80, 261,032.70 and 163,653.80 is: 245,480.70
Step by Step Solution
- Step 1: Write the proportion equation
174,021.80 : 261,032.70 = 163,653.80 : x - Step 2: Convert to fraction form
174,021.80/261,032.70 = 163,653.80/x - Step 3: Cross multiply
174,021.80x = 261,032.70 × 163,653.80 - Step 4: Simplify right side
174,021.80x = 42,718,993,279.26 - Step 5: Solve for x
x = 42,718,993,279.26/174,021.80 - Step 6: Final answer
x = 245,480.70
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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.