Finding the Fourth Proportional to 202,276.70, 303,415.05 and 139,291.10
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Solution
The fourth proportional to 202,276.70, 303,415.05 and 139,291.10 is: 208,936.65
Step by Step Solution
- Step 1: Write the proportion equation
202,276.70 : 303,415.05 = 139,291.10 : x - Step 2: Convert to fraction form
202,276.70/303,415.05 = 139,291.10/x - Step 3: Cross multiply
202,276.70x = 303,415.05 × 139,291.10 - Step 4: Simplify right side
202,276.70x = 42,263,016,071.06 - Step 5: Solve for x
x = 42,263,016,071.06/202,276.70 - Step 6: Final answer
x = 208,936.65
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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.