Finding the Fourth Proportional to 356,922.88, 492,554.28 and 195,779.26
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Solution
The fourth proportional to 356,922.88, 492,554.28 and 195,779.26 is: 270,175.77
Step by Step Solution
- Step 1: Write the proportion equation
356,922.88 : 492,554.28 = 195,779.26 : x - Step 2: Convert to fraction form
356,922.88/492,554.28 = 195,779.26/x - Step 3: Cross multiply
356,922.88x = 492,554.28 × 195,779.26 - Step 4: Simplify right side
356,922.88x = 96,431,912,448.23 - Step 5: Solve for x
x = 96,431,912,448.23/356,922.88 - Step 6: Final answer
x = 270,175.77
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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.