Finding the Fourth Proportional to 436,893.68, 602,911.80 and 245,906.96
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Solution
The fourth proportional to 436,893.68, 602,911.80 and 245,906.96 is: 339,350.77
Step by Step Solution
- Step 1: Write the proportion equation
436,893.68 : 602,911.80 = 245,906.96 : x - Step 2: Convert to fraction form
436,893.68/602,911.80 = 245,906.96/x - Step 3: Cross multiply
436,893.68x = 602,911.80 × 245,906.96 - Step 4: Simplify right side
436,893.68x = 148,260,207,886.13 - Step 5: Solve for x
x = 148,260,207,886.13/436,893.68 - Step 6: Final answer
x = 339,350.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.