Finding the Fourth Proportional to 664,305.80, 996,555.90 and 214,950.20
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Solution
The fourth proportional to 664,305.80, 996,555.90 and 214,950.20 is: 322,456.75
Step by Step Solution
- Step 1: Write the proportion equation
664,305.80 : 996,555.90 = 214,950.20 : x - Step 2: Convert to fraction form
664,305.80/996,555.90 = 214,950.20/x - Step 3: Cross multiply
664,305.80x = 996,555.90 × 214,950.20 - Step 4: Simplify right side
664,305.80x = 214,209,890,016.18 - Step 5: Solve for x
x = 214,209,890,016.18/664,305.80 - Step 6: Final answer
x = 322,456.75
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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.