Finding the Fourth Proportional to 202,368.60, 303,747.30 and 102,641.40
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Solution
The fourth proportional to 202,368.60, 303,747.30 and 102,641.40 is: 154,060.70
Step by Step Solution
- Step 1: Write the proportion equation
202,368.60 : 303,747.30 = 102,641.40 : x - Step 2: Convert to fraction form
202,368.60/303,747.30 = 102,641.40/x - Step 3: Cross multiply
202,368.60x = 303,747.30 × 102,641.40 - Step 4: Simplify right side
202,368.60x = 31,177,048,118.22 - Step 5: Solve for x
x = 31,177,048,118.22/202,368.60 - Step 6: Final answer
x = 154,060.70
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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.