Finding the Fourth Proportional to 74,267.16, 110,629.02 and 70,243.08
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Solution
The fourth proportional to 74,267.16, 110,629.02 and 70,243.08 is: 104,634.71
Step by Step Solution
- Step 1: Write the proportion equation
74,267.16 : 110,629.02 = 70,243.08 : x - Step 2: Convert to fraction form
74,267.16/110,629.02 = 70,243.08/x - Step 3: Cross multiply
74,267.16x = 110,629.02 × 70,243.08 - Step 4: Simplify right side
74,267.16x = 7,770,923,102.18 - Step 5: Solve for x
x = 7,770,923,102.18/74,267.16 - Step 6: Final answer
x = 104,634.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.