Finding the Fourth Proportional to 548,344.70, 756,718.14 and 306,627.35
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Solution
The fourth proportional to 548,344.70, 756,718.14 and 306,627.35 is: 423,147.12
Step by Step Solution
- Step 1: Write the proportion equation
548,344.70 : 756,718.14 = 306,627.35 : x - Step 2: Convert to fraction form
548,344.70/756,718.14 = 306,627.35/x - Step 3: Cross multiply
548,344.70x = 756,718.14 × 306,627.35 - Step 4: Simplify right side
548,344.70x = 232,030,477,965.13 - Step 5: Solve for x
x = 232,030,477,965.13/548,344.70 - Step 6: Final answer
x = 423,147.12
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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.