Finding the Fourth Proportional to 502,256.75, 693,122.68 and 272,814.48
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Solution
The fourth proportional to 502,256.75, 693,122.68 and 272,814.48 is: 376,488.53
Step by Step Solution
- Step 1: Write the proportion equation
502,256.75 : 693,122.68 = 272,814.48 : x - Step 2: Convert to fraction form
502,256.75/693,122.68 = 272,814.48/x - Step 3: Cross multiply
502,256.75x = 693,122.68 × 272,814.48 - Step 4: Simplify right side
502,256.75x = 189,093,903,520.41 - Step 5: Solve for x
x = 189,093,903,520.41/502,256.75 - Step 6: Final answer
x = 376,488.53
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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.