Finding the Fourth Proportional to 343,612.10, 514,543.35 and 327,865.70
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Solution
The fourth proportional to 343,612.10, 514,543.35 and 327,865.70 is: 490,963.84
Step by Step Solution
- Step 1: Write the proportion equation
343,612.10 : 514,543.35 = 327,865.70 : x - Step 2: Convert to fraction form
343,612.10/514,543.35 = 327,865.70/x - Step 3: Cross multiply
343,612.10x = 514,543.35 × 327,865.70 - Step 4: Simplify right side
343,612.10x = 168,701,115,628.10 - Step 5: Solve for x
x = 168,701,115,628.10/343,612.10 - Step 6: Final answer
x = 490,963.84
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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.