Finding the Fourth Proportional to 290,897.31, 401,486.04 and 170,014.99
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Solution
The fourth proportional to 290,897.31, 401,486.04 and 170,014.99 is: 234,648.59
Step by Step Solution
- Step 1: Write the proportion equation
290,897.31 : 401,486.04 = 170,014.99 : x - Step 2: Convert to fraction form
290,897.31/401,486.04 = 170,014.99/x - Step 3: Cross multiply
290,897.31x = 401,486.04 × 170,014.99 - Step 4: Simplify right side
290,897.31x = 68,258,644,738.39 - Step 5: Solve for x
x = 68,258,644,738.39/290,897.31 - Step 6: Final answer
x = 234,648.59
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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.