Finding the Fourth Proportional to 245,850.99, 339,290.00 and 149,064.12
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Solution
The fourth proportional to 245,850.99, 339,290.00 and 149,064.12 is: 205,717.96
Step by Step Solution
- Step 1: Write the proportion equation
245,850.99 : 339,290.00 = 149,064.12 : x - Step 2: Convert to fraction form
245,850.99/339,290.00 = 149,064.12/x - Step 3: Cross multiply
245,850.99x = 339,290.00 × 149,064.12 - Step 4: Simplify right side
245,850.99x = 50,575,964,529.48 - Step 5: Solve for x
x = 50,575,964,529.48/245,850.99 - Step 6: Final answer
x = 205,717.96
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1.5x scale
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.