Finding the Fourth Proportional to 202,865.20, 304,297.80 and 103,040.80
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Solution
The fourth proportional to 202,865.20, 304,297.80 and 103,040.80 is: 154,561.20
Step by Step Solution
- Step 1: Write the proportion equation
202,865.20 : 304,297.80 = 103,040.80 : x - Step 2: Convert to fraction form
202,865.20/304,297.80 = 103,040.80/x - Step 3: Cross multiply
202,865.20x = 304,297.80 × 103,040.80 - Step 4: Simplify right side
202,865.20x = 31,355,088,750.24 - Step 5: Solve for x
x = 31,355,088,750.24/202,865.20 - Step 6: Final answer
x = 154,561.20
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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.