Finding the Fourth Proportional to 824,749.68, 1,237,165.42 and 256,517.80
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Solution
The fourth proportional to 824,749.68, 1,237,165.42 and 256,517.80 is: 384,789.42
Step by Step Solution
- Step 1: Write the proportion equation
824,749.68 : 1,237,165.42 = 256,517.80 : x - Step 2: Convert to fraction form
824,749.68/1,237,165.42 = 256,517.80/x - Step 3: Cross multiply
824,749.68x = 1,237,165.42 × 256,517.80 - Step 4: Simplify right side
824,749.68x = 317,354,951,774.48 - Step 5: Solve for x
x = 317,354,951,774.48/824,749.68 - Step 6: Final answer
x = 384,789.42
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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.