Finding the Fourth Proportional to 146,641.19, 202,364.12 and 79,573.19
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Solution
The fourth proportional to 146,641.19, 202,364.12 and 79,573.19 is: 109,810.60
Step by Step Solution
- Step 1: Write the proportion equation
146,641.19 : 202,364.12 = 79,573.19 : x - Step 2: Convert to fraction form
146,641.19/202,364.12 = 79,573.19/x - Step 3: Cross multiply
146,641.19x = 202,364.12 × 79,573.19 - Step 4: Simplify right side
146,641.19x = 16,102,757,160.26 - Step 5: Solve for x
x = 16,102,757,160.26/146,641.19 - Step 6: Final answer
x = 109,810.60
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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.