Finding the Fourth Proportional to 692,147.07, 1,038,214.17 and 218,832.48
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Solution
The fourth proportional to 692,147.07, 1,038,214.17 and 218,832.48 is: 328,246.69
Step by Step Solution
- Step 1: Write the proportion equation
692,147.07 : 1,038,214.17 = 218,832.48 : x - Step 2: Convert to fraction form
692,147.07/1,038,214.17 = 218,832.48/x - Step 3: Cross multiply
692,147.07x = 1,038,214.17 × 218,832.48 - Step 4: Simplify right side
692,147.07x = 227,194,981,592.24 - Step 5: Solve for x
x = 227,194,981,592.24/692,147.07 - Step 6: Final answer
x = 328,246.69
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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.