Finding the Fourth Proportional to 386,675.60, 580,224.81 and 150,027.62
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Solution
The fourth proportional to 386,675.60, 580,224.81 and 150,027.62 is: 225,123.46
Step by Step Solution
- Step 1: Write the proportion equation
386,675.60 : 580,224.81 = 150,027.62 : x - Step 2: Convert to fraction form
386,675.60/580,224.81 = 150,027.62/x - Step 3: Cross multiply
386,675.60x = 580,224.81 × 150,027.62 - Step 4: Simplify right side
386,675.60x = 87,049,747,309.25 - Step 5: Solve for x
x = 87,049,747,309.25/386,675.60 - Step 6: Final answer
x = 225,123.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.