Finding the Fourth Proportional to 548,147.02, 756,448.26 and 306,442.80
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Solution
The fourth proportional to 548,147.02, 756,448.26 and 306,442.80 is: 422,894.07
Step by Step Solution
- Step 1: Write the proportion equation
548,147.02 : 756,448.26 = 306,442.80 : x - Step 2: Convert to fraction form
548,147.02/756,448.26 = 306,442.80/x - Step 3: Cross multiply
548,147.02x = 756,448.26 × 306,442.80 - Step 4: Simplify right side
548,147.02x = 231,808,122,849.53 - Step 5: Solve for x
x = 231,808,122,849.53/548,147.02 - Step 6: Final answer
x = 422,894.07
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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.