Finding the Fourth Proportional to 326,527.20, 489,323.52 and 185,995.44
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Solution
The fourth proportional to 326,527.20, 489,323.52 and 185,995.44 is: 278,726.99
Step by Step Solution
- Step 1: Write the proportion equation
326,527.20 : 489,323.52 = 185,995.44 : x - Step 2: Convert to fraction form
326,527.20/489,323.52 = 185,995.44/x - Step 3: Cross multiply
326,527.20x = 489,323.52 × 185,995.44 - Step 4: Simplify right side
326,527.20x = 91,011,943,404.75 - Step 5: Solve for x
x = 91,011,943,404.75/326,527.20 - Step 6: Final answer
x = 278,726.99
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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.