Finding the Fourth Proportional to 692,548.20, 1,038,691.08 and 243,163.44
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Solution
The fourth proportional to 692,548.20, 1,038,691.08 and 243,163.44 is: 364,699.09
Step by Step Solution
- Step 1: Write the proportion equation
692,548.20 : 1,038,691.08 = 243,163.44 : x - Step 2: Convert to fraction form
692,548.20/1,038,691.08 = 243,163.44/x - Step 3: Cross multiply
692,548.20x = 1,038,691.08 × 243,163.44 - Step 4: Simplify right side
692,548.20x = 252,571,696,110.12 - Step 5: Solve for x
x = 252,571,696,110.12/692,548.20 - Step 6: Final answer
x = 364,699.09
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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.