Finding the Fourth Proportional to 326,405.41, 450,323.99 and 213,293.77
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Solution
The fourth proportional to 326,405.41, 450,323.99 and 213,293.77 is: 294,269.94
Step by Step Solution
- Step 1: Write the proportion equation
326,405.41 : 450,323.99 = 213,293.77 : x - Step 2: Convert to fraction form
326,405.41/450,323.99 = 213,293.77/x - Step 3: Cross multiply
326,405.41x = 450,323.99 × 213,293.77 - Step 4: Simplify right side
326,405.41x = 96,051,300,156.12 - Step 5: Solve for x
x = 96,051,300,156.12/326,405.41 - Step 6: Final answer
x = 294,269.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.