Finding the Fourth Proportional to 376,136.20, 519,068.58 and 206,371.54
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Solution
The fourth proportional to 376,136.20, 519,068.58 and 206,371.54 is: 284,793.07
Step by Step Solution
- Step 1: Write the proportion equation
376,136.20 : 519,068.58 = 206,371.54 : x - Step 2: Convert to fraction form
376,136.20/519,068.58 = 206,371.54/x - Step 3: Cross multiply
376,136.20x = 519,068.58 × 206,371.54 - Step 4: Simplify right side
376,136.20x = 107,120,982,220.21 - Step 5: Solve for x
x = 107,120,982,220.21/376,136.20 - Step 6: Final answer
x = 284,793.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.