Finding the Fourth Proportional to 134,917.02, 202,356.50 and 74,146.23
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Solution
The fourth proportional to 134,917.02, 202,356.50 and 74,146.23 is: 111,208.88
Step by Step Solution
- Step 1: Write the proportion equation
134,917.02 : 202,356.50 = 74,146.23 : x - Step 2: Convert to fraction form
134,917.02/202,356.50 = 74,146.23/x - Step 3: Cross multiply
134,917.02x = 202,356.50 × 74,146.23 - Step 4: Simplify right side
134,917.02x = 15,003,971,220.26 - Step 5: Solve for x
x = 15,003,971,220.26/134,917.02 - Step 6: Final answer
x = 111,208.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.