Finding the Fourth Proportional to 275,860.02, 413,738.11 and 86,291.99
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Solution
The fourth proportional to 275,860.02, 413,738.11 and 86,291.99 is: 129,421.74
Step by Step Solution
- Step 1: Write the proportion equation
275,860.02 : 413,738.11 = 86,291.99 : x - Step 2: Convert to fraction form
275,860.02/413,738.11 = 86,291.99/x - Step 3: Cross multiply
275,860.02x = 413,738.11 × 86,291.99 - Step 4: Simplify right side
275,860.02x = 35,702,284,850.74 - Step 5: Solve for x
x = 35,702,284,850.74/275,860.02 - Step 6: Final answer
x = 129,421.74
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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.