Finding the Fourth Proportional to 282,175.08, 389,406.36 and 154,862.52
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Solution
The fourth proportional to 282,175.08, 389,406.36 and 154,862.52 is: 213,712.88
Step by Step Solution
- Step 1: Write the proportion equation
282,175.08 : 389,406.36 = 154,862.52 : x - Step 2: Convert to fraction form
282,175.08/389,406.36 = 154,862.52/x - Step 3: Cross multiply
282,175.08x = 389,406.36 × 154,862.52 - Step 4: Simplify right side
282,175.08x = 60,304,450,213.63 - Step 5: Solve for x
x = 60,304,450,213.63/282,175.08 - Step 6: Final answer
x = 213,712.88
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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.