Finding the Fourth Proportional to 579,343.69, 868,845.44 and 224,272.90
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Solution
The fourth proportional to 579,343.69, 868,845.44 and 224,272.90 is: 336,343.50
Step by Step Solution
- Step 1: Write the proportion equation
579,343.69 : 868,845.44 = 224,272.90 : x - Step 2: Convert to fraction form
579,343.69/868,845.44 = 224,272.90/x - Step 3: Cross multiply
579,343.69x = 868,845.44 × 224,272.90 - Step 4: Simplify right side
579,343.69x = 194,858,486,865.78 - Step 5: Solve for x
x = 194,858,486,865.78/579,343.69 - Step 6: Final answer
x = 336,343.50
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1.5x scale
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.