Finding the Fourth Proportional to 202,321.80, 303,482.70 and 97,345.80
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Solution
The fourth proportional to 202,321.80, 303,482.70 and 97,345.80 is: 146,018.70
Step by Step Solution
- Step 1: Write the proportion equation
202,321.80 : 303,482.70 = 97,345.80 : x - Step 2: Convert to fraction form
202,321.80/303,482.70 = 97,345.80/x - Step 3: Cross multiply
202,321.80x = 303,482.70 × 97,345.80 - Step 4: Simplify right side
202,321.80x = 29,542,766,217.66 - Step 5: Solve for x
x = 29,542,766,217.66/202,321.80 - Step 6: Final answer
x = 146,018.70
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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.