Finding the Fourth Proportional to 372,651.30, 558,998.55 and 106,431.30
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Solution
The fourth proportional to 372,651.30, 558,998.55 and 106,431.30 is: 159,653.12
Step by Step Solution
- Step 1: Write the proportion equation
372,651.30 : 558,998.55 = 106,431.30 : x - Step 2: Convert to fraction form
372,651.30/558,998.55 = 106,431.30/x - Step 3: Cross multiply
372,651.30x = 558,998.55 × 106,431.30 - Step 4: Simplify right side
372,651.30x = 59,494,942,374.62 - Step 5: Solve for x
x = 59,494,942,374.62/372,651.30 - Step 6: Final answer
x = 159,653.12
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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.