Finding the Fourth Proportional to 415,119.32, 622,695.38 and 115,626.08
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Solution
The fourth proportional to 415,119.32, 622,695.38 and 115,626.08 is: 173,443.68
Step by Step Solution
- Step 1: Write the proportion equation
415,119.32 : 622,695.38 = 115,626.08 : x - Step 2: Convert to fraction form
415,119.32/622,695.38 = 115,626.08/x - Step 3: Cross multiply
415,119.32x = 622,695.38 × 115,626.08 - Step 4: Simplify right side
415,119.32x = 71,999,822,999.10 - Step 5: Solve for x
x = 71,999,822,999.10/415,119.32 - Step 6: Final answer
x = 173,443.68
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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.