Finding the Fourth Proportional to 146,601.74, 202,310.79 and 79,533.74
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Solution
The fourth proportional to 146,601.74, 202,310.79 and 79,533.74 is: 109,756.77
Step by Step Solution
- Step 1: Write the proportion equation
146,601.74 : 202,310.79 = 79,533.74 : x - Step 2: Convert to fraction form
146,601.74/202,310.79 = 79,533.74/x - Step 3: Cross multiply
146,601.74x = 202,310.79 × 79,533.74 - Step 4: Simplify right side
146,601.74x = 16,090,533,771.05 - Step 5: Solve for x
x = 16,090,533,771.05/146,601.74 - Step 6: Final answer
x = 109,756.77
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1.5x scale
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.