Finding the Fourth Proportional to 208,526.58, 312,811.74 and 68,296.14
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Solution
The fourth proportional to 208,526.58, 312,811.74 and 68,296.14 is: 102,451.37
Step by Step Solution
- Step 1: Write the proportion equation
208,526.58 : 312,811.74 = 68,296.14 : x - Step 2: Convert to fraction form
208,526.58/312,811.74 = 68,296.14/x - Step 3: Cross multiply
208,526.58x = 312,811.74 × 68,296.14 - Step 4: Simplify right side
208,526.58x = 21,363,834,388.68 - Step 5: Solve for x
x = 21,363,834,388.68/208,526.58 - Step 6: Final answer
x = 102,451.37
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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.