Finding the Fourth Proportional to 487,249.62, 672,409.26 and 272,401.44
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Solution
The fourth proportional to 487,249.62, 672,409.26 and 272,401.44 is: 375,916.66
Step by Step Solution
- Step 1: Write the proportion equation
487,249.62 : 672,409.26 = 272,401.44 : x - Step 2: Convert to fraction form
487,249.62/672,409.26 = 272,401.44/x - Step 3: Cross multiply
487,249.62x = 672,409.26 × 272,401.44 - Step 4: Simplify right side
487,249.62x = 183,165,250,693.33 - Step 5: Solve for x
x = 183,165,250,693.33/487,249.62 - Step 6: Final answer
x = 375,916.66
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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.