Finding the Fourth Proportional to 877,640.20, 1,316,363.10 and 246,617.80
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Solution
The fourth proportional to 877,640.20, 1,316,363.10 and 246,617.80 is: 369,899.39
Step by Step Solution
- Step 1: Write the proportion equation
877,640.20 : 1,316,363.10 = 246,617.80 : x - Step 2: Convert to fraction form
877,640.20/1,316,363.10 = 246,617.80/x - Step 3: Cross multiply
877,640.20x = 1,316,363.10 × 246,617.80 - Step 4: Simplify right side
877,640.20x = 324,638,571,723.18 - Step 5: Solve for x
x = 324,638,571,723.18/877,640.20 - Step 6: Final answer
x = 369,899.39
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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.