Finding the Fourth Proportional to 415,545.44, 623,227.64 and 111,932.12
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Solution
The fourth proportional to 415,545.44, 623,227.64 and 111,932.12 is: 167,873.80
Step by Step Solution
- Step 1: Write the proportion equation
415,545.44 : 623,227.64 = 111,932.12 : x - Step 2: Convert to fraction form
415,545.44/623,227.64 = 111,932.12/x - Step 3: Cross multiply
415,545.44x = 623,227.64 × 111,932.12 - Step 4: Simplify right side
415,545.44x = 69,759,191,986.21 - Step 5: Solve for x
x = 69,759,191,986.21/415,545.44 - Step 6: Final answer
x = 167,873.80
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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.