Finding the Fourth Proportional to 376,756.18, 519,921.45 and 204,672.78
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Solution
The fourth proportional to 376,756.18, 519,921.45 and 204,672.78 is: 282,447.31
Step by Step Solution
- Step 1: Write the proportion equation
376,756.18 : 519,921.45 = 204,672.78 : x - Step 2: Convert to fraction form
376,756.18/519,921.45 = 204,672.78/x - Step 3: Cross multiply
376,756.18x = 519,921.45 × 204,672.78 - Step 4: Simplify right side
376,756.18x = 106,413,768,553.13 - Step 5: Solve for x
x = 106,413,768,553.13/376,756.18 - Step 6: Final answer
x = 282,447.31
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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.