Finding the Fourth Proportional to 255,167.69, 382,806.89 and 77,670.09
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Solution
The fourth proportional to 255,167.69, 382,806.89 and 77,670.09 is: 116,521.99
Step by Step Solution
- Step 1: Write the proportion equation
255,167.69 : 382,806.89 = 77,670.09 : x - Step 2: Convert to fraction form
255,167.69/382,806.89 = 77,670.09/x - Step 3: Cross multiply
255,167.69x = 382,806.89 × 77,670.09 - Step 4: Simplify right side
255,167.69x = 29,732,645,938.73 - Step 5: Solve for x
x = 29,732,645,938.73/255,167.69 - Step 6: Final answer
x = 116,521.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.