Finding the Fourth Proportional to 202,203.40, 303,305.10 and 139,217.80
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Solution
The fourth proportional to 202,203.40, 303,305.10 and 139,217.80 is: 208,826.70
Step by Step Solution
- Step 1: Write the proportion equation
202,203.40 : 303,305.10 = 139,217.80 : x - Step 2: Convert to fraction form
202,203.40/303,305.10 = 139,217.80/x - Step 3: Cross multiply
202,203.40x = 303,305.10 × 139,217.80 - Step 4: Simplify right side
202,203.40x = 42,225,468,750.78 - Step 5: Solve for x
x = 42,225,468,750.78/202,203.40 - Step 6: Final answer
x = 208,826.70
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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.