Finding the Fourth Proportional to 275,673.06, 413,566.97 and 86,125.77
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Solution
The fourth proportional to 275,673.06, 413,566.97 and 86,125.77 is: 129,206.58
Step by Step Solution
- Step 1: Write the proportion equation
275,673.06 : 413,566.97 = 86,125.77 : x - Step 2: Convert to fraction form
275,673.06/413,566.97 = 86,125.77/x - Step 3: Cross multiply
275,673.06x = 413,566.97 × 86,125.77 - Step 4: Simplify right side
275,673.06x = 35,618,773,307.19 - Step 5: Solve for x
x = 35,618,773,307.19/275,673.06 - Step 6: Final answer
x = 129,206.58
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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.