Finding the Fourth Proportional to 208,125.80, 312,296.70 and 97,317.80
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Solution
The fourth proportional to 208,125.80, 312,296.70 and 97,317.80 is: 146,027.20
Step by Step Solution
- Step 1: Write the proportion equation
208,125.80 : 312,296.70 = 97,317.80 : x - Step 2: Convert to fraction form
208,125.80/312,296.70 = 97,317.80/x - Step 3: Cross multiply
208,125.80x = 312,296.70 × 97,317.80 - Step 4: Simplify right side
208,125.80x = 30,392,027,791.26 - Step 5: Solve for x
x = 30,392,027,791.26/208,125.80 - Step 6: Final answer
x = 146,027.20
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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.