Finding the Fourth Proportional to 74,202.09, 111,320.64 and 24,282.02
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Solution
The fourth proportional to 74,202.09, 111,320.64 and 24,282.02 is: 36,428.75
Step by Step Solution
- Step 1: Write the proportion equation
74,202.09 : 111,320.64 = 24,282.02 : x - Step 2: Convert to fraction form
74,202.09/111,320.64 = 24,282.02/x - Step 3: Cross multiply
74,202.09x = 111,320.64 × 24,282.02 - Step 4: Simplify right side
74,202.09x = 2,703,089,450.29 - Step 5: Solve for x
x = 2,703,089,450.29/74,202.09 - Step 6: Final answer
x = 36,428.75
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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.