Finding the Fourth Proportional to 837,612.96, 1,256,399.84 and 268,992.96
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Solution
The fourth proportional to 837,612.96, 1,256,399.84 and 268,992.96 is: 403,483.15
Step by Step Solution
- Step 1: Write the proportion equation
837,612.96 : 1,256,399.84 = 268,992.96 : x - Step 2: Convert to fraction form
837,612.96/1,256,399.84 = 268,992.96/x - Step 3: Cross multiply
837,612.96x = 1,256,399.84 × 268,992.96 - Step 4: Simplify right side
837,612.96x = 337,962,711,905.13 - Step 5: Solve for x
x = 337,962,711,905.13/837,612.96 - Step 6: Final answer
x = 403,483.15
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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.