Finding the Fourth Proportional to 411,418.94, 616,906.52 and 186,656.75
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Solution
The fourth proportional to 411,418.94, 616,906.52 and 186,656.75 is: 279,884.45
Step by Step Solution
- Step 1: Write the proportion equation
411,418.94 : 616,906.52 = 186,656.75 : x - Step 2: Convert to fraction form
411,418.94/616,906.52 = 186,656.75/x - Step 3: Cross multiply
411,418.94x = 616,906.52 × 186,656.75 - Step 4: Simplify right side
411,418.94x = 115,149,762,059.19 - Step 5: Solve for x
x = 115,149,762,059.19/411,418.94 - Step 6: Final answer
x = 279,884.45
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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.