Finding the Fourth Proportional to 633,533.96, 874,269.90 and 343,138.31
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Solution
The fourth proportional to 633,533.96, 874,269.90 and 343,138.31 is: 473,527.09
Step by Step Solution
- Step 1: Write the proportion equation
633,533.96 : 874,269.90 = 343,138.31 : x - Step 2: Convert to fraction form
633,533.96/874,269.90 = 343,138.31/x - Step 3: Cross multiply
633,533.96x = 874,269.90 × 343,138.31 - Step 4: Simplify right side
633,533.96x = 299,995,491,598.52 - Step 5: Solve for x
x = 299,995,491,598.52/633,533.96 - Step 6: Final answer
x = 473,527.09
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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.