Finding the Fourth Proportional to 356,312.14, 491,759.68 and 218,466.69
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Solution
The fourth proportional to 356,312.14, 491,759.68 and 218,466.69 is: 301,514.03
Step by Step Solution
- Step 1: Write the proportion equation
356,312.14 : 491,759.68 = 218,466.69 : x - Step 2: Convert to fraction form
356,312.14/491,759.68 = 218,466.69/x - Step 3: Cross multiply
356,312.14x = 491,759.68 × 218,466.69 - Step 4: Simplify right side
356,312.14x = 107,433,110,111.23 - Step 5: Solve for x
x = 107,433,110,111.23/356,312.14 - Step 6: Final answer
x = 301,514.03
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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.