Finding the Fourth Proportional to 326,784.24, 489,966.57 and 126,891.63
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Solution
The fourth proportional to 326,784.24, 489,966.57 and 126,891.63 is: 190,255.98
Step by Step Solution
- Step 1: Write the proportion equation
326,784.24 : 489,966.57 = 126,891.63 : x - Step 2: Convert to fraction form
326,784.24/489,966.57 = 126,891.63/x - Step 3: Cross multiply
326,784.24x = 489,966.57 × 126,891.63 - Step 4: Simplify right side
326,784.24x = 62,172,656,712.81 - Step 5: Solve for x
x = 62,172,656,712.81/326,784.24 - Step 6: Final answer
x = 190,255.98
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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.