Finding the Fourth Proportional to 282,419.93, 389,725.35 and 159,893.24
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Solution
The fourth proportional to 282,419.93, 389,725.35 and 159,893.24 is: 220,644.66
Step by Step Solution
- Step 1: Write the proportion equation
282,419.93 : 389,725.35 = 159,893.24 : x - Step 2: Convert to fraction form
282,419.93/389,725.35 = 159,893.24/x - Step 3: Cross multiply
282,419.93x = 389,725.35 × 159,893.24 - Step 4: Simplify right side
282,419.93x = 62,314,448,921.63 - Step 5: Solve for x
x = 62,314,448,921.63/282,419.93 - Step 6: Final answer
x = 220,644.66
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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.