Finding the Fourth Proportional to 290,202.36, 435,305.97 and 79,851.84
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Solution
The fourth proportional to 290,202.36, 435,305.97 and 79,851.84 is: 119,778.43
Step by Step Solution
- Step 1: Write the proportion equation
290,202.36 : 435,305.97 = 79,851.84 : x - Step 2: Convert to fraction form
290,202.36/435,305.97 = 79,851.84/x - Step 3: Cross multiply
290,202.36x = 435,305.97 × 79,851.84 - Step 4: Simplify right side
290,202.36x = 34,759,982,667.48 - Step 5: Solve for x
x = 34,759,982,667.48/290,202.36 - Step 6: Final answer
x = 119,778.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.