Finding the Fourth Proportional to 768,285.30, 1,152,418.68 and 199,616.07
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Solution
The fourth proportional to 768,285.30, 1,152,418.68 and 199,616.07 is: 299,421.70
Step by Step Solution
- Step 1: Write the proportion equation
768,285.30 : 1,152,418.68 = 199,616.07 : x - Step 2: Convert to fraction form
768,285.30/1,152,418.68 = 199,616.07/x - Step 3: Cross multiply
768,285.30x = 1,152,418.68 × 199,616.07 - Step 4: Simplify right side
768,285.30x = 230,041,287,896.19 - Step 5: Solve for x
x = 230,041,287,896.19/768,285.30 - Step 6: Final answer
x = 299,421.70
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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.