Finding the Fourth Proportional to 812,236.08, 1,218,561.48 and 243,615
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Solution
The fourth proportional to 812,236.08, 1,218,561.48 and 243,615 is: 365,484.69
Step by Step Solution
- Step 1: Write the proportion equation
812,236.08 : 1,218,561.48 = 243,615 : x - Step 2: Convert to fraction form
812,236.08/1,218,561.48 = 243,615/x - Step 3: Cross multiply
812,236.08x = 1,218,561.48 × 243,615 - Step 4: Simplify right side
812,236.08x = 296,859,854,950.20 - Step 5: Solve for x
x = 296,859,854,950.20/812,236.08 - Step 6: Final answer
x = 365,484.69
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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.