Finding the Fourth Proportional to 502,987.24, 694,128.18 and 276,636.52
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Solution
The fourth proportional to 502,987.24, 694,128.18 and 276,636.52 is: 381,761.58
Step by Step Solution
- Step 1: Write the proportion equation
502,987.24 : 694,128.18 = 276,636.52 : x - Step 2: Convert to fraction form
502,987.24/694,128.18 = 276,636.52/x - Step 3: Cross multiply
502,987.24x = 694,128.18 × 276,636.52 - Step 4: Simplify right side
502,987.24x = 192,021,204,149.13 - Step 5: Solve for x
x = 192,021,204,149.13/502,987.24 - Step 6: Final answer
x = 381,761.58
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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.