Finding the Fourth Proportional to 376,877.99, 519,571.99 and 300,655.78
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Solution
The fourth proportional to 376,877.99, 519,571.99 and 300,655.78 is: 414,490.43
Step by Step Solution
- Step 1: Write the proportion equation
376,877.99 : 519,571.99 = 300,655.78 : x - Step 2: Convert to fraction form
376,877.99/519,571.99 = 300,655.78/x - Step 3: Cross multiply
376,877.99x = 519,571.99 × 300,655.78 - Step 4: Simplify right side
376,877.99x = 156,212,321,919.60 - Step 5: Solve for x
x = 156,212,321,919.60/376,877.99 - Step 6: Final answer
x = 414,490.43
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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.