Finding the Fourth Proportional to 415,097.85, 622,647.23 and 115,579.08
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Solution
The fourth proportional to 415,097.85, 622,647.23 and 115,579.08 is: 173,368.75
Step by Step Solution
- Step 1: Write the proportion equation
415,097.85 : 622,647.23 = 115,579.08 : x - Step 2: Convert to fraction form
415,097.85/622,647.23 = 115,579.08/x - Step 3: Cross multiply
415,097.85x = 622,647.23 × 115,579.08 - Step 4: Simplify right side
415,097.85x = 71,964,993,430.05 - Step 5: Solve for x
x = 71,964,993,430.05/415,097.85 - Step 6: Final answer
x = 173,368.75
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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.