Finding the Fourth Proportional to 376,612.26, 519,814.56 and 215,560.26
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Solution
The fourth proportional to 376,612.26, 519,814.56 and 215,560.26 is: 297,524.47
Step by Step Solution
- Step 1: Write the proportion equation
376,612.26 : 519,814.56 = 215,560.26 : x - Step 2: Convert to fraction form
376,612.26/519,814.56 = 215,560.26/x - Step 3: Cross multiply
376,612.26x = 519,814.56 × 215,560.26 - Step 4: Simplify right side
376,612.26x = 112,051,361,705.39 - Step 5: Solve for x
x = 112,051,361,705.39/376,612.26 - Step 6: Final answer
x = 297,524.47
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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.