Finding the Fourth Proportional to 548,604.18, 757,107.68 and 306,903.02
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Solution
The fourth proportional to 548,604.18, 757,107.68 and 306,903.02 is: 423,545.13
Step by Step Solution
- Step 1: Write the proportion equation
548,604.18 : 757,107.68 = 306,903.02 : x - Step 2: Convert to fraction form
548,604.18/757,107.68 = 306,903.02/x - Step 3: Cross multiply
548,604.18x = 757,107.68 × 306,903.02 - Step 4: Simplify right side
548,604.18x = 232,358,628,137.14 - Step 5: Solve for x
x = 232,358,628,137.14/548,604.18 - Step 6: Final answer
x = 423,545.13
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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.