Finding the Fourth Proportional to 376,603.79, 519,738.68 and 206,839.67
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Solution
The fourth proportional to 376,603.79, 519,738.68 and 206,839.67 is: 285,452.72
Step by Step Solution
- Step 1: Write the proportion equation
376,603.79 : 519,738.68 = 206,839.67 : x - Step 2: Convert to fraction form
376,603.79/519,738.68 = 206,839.67/x - Step 3: Cross multiply
376,603.79x = 519,738.68 × 206,839.67 - Step 4: Simplify right side
376,603.79x = 107,502,577,057.44 - Step 5: Solve for x
x = 107,502,577,057.44/376,603.79 - Step 6: Final answer
x = 285,452.72
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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.