Finding the Fourth Proportional to 146,515.09, 202,192.05 and 79,447.09
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Solution
The fourth proportional to 146,515.09, 202,192.05 and 79,447.09 is: 109,637.65
Step by Step Solution
- Step 1: Write the proportion equation
146,515.09 : 202,192.05 = 79,447.09 : x - Step 2: Convert to fraction form
146,515.09/202,192.05 = 79,447.09/x - Step 3: Cross multiply
146,515.09x = 202,192.05 × 79,447.09 - Step 4: Simplify right side
146,515.09x = 16,063,569,993.63 - Step 5: Solve for x
x = 16,063,569,993.63/146,515.09 - Step 6: Final answer
x = 109,637.65
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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.