Finding the Fourth Proportional to 146,810.19, 202,598.26 and 79,742.19
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Solution
The fourth proportional to 146,810.19, 202,598.26 and 79,742.19 is: 110,044.33
Step by Step Solution
- Step 1: Write the proportion equation
146,810.19 : 202,598.26 = 79,742.19 : x - Step 2: Convert to fraction form
146,810.19/202,598.26 = 79,742.19/x - Step 3: Cross multiply
146,810.19x = 202,598.26 × 79,742.19 - Step 4: Simplify right side
146,810.19x = 16,155,628,942.59 - Step 5: Solve for x
x = 16,155,628,942.59/146,810.19 - Step 6: Final answer
x = 110,044.33
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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.