Finding the Fourth Proportional to 456,919.68, 685,304.64 and 124,521.60
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Solution
The fourth proportional to 456,919.68, 685,304.64 and 124,521.60 is: 186,761.99
Step by Step Solution
- Step 1: Write the proportion equation
456,919.68 : 685,304.64 = 124,521.60 : x - Step 2: Convert to fraction form
456,919.68/685,304.64 = 124,521.60/x - Step 3: Cross multiply
456,919.68x = 685,304.64 × 124,521.60 - Step 4: Simplify right side
456,919.68x = 85,335,230,260.22 - Step 5: Solve for x
x = 85,335,230,260.22/456,919.68 - Step 6: Final answer
x = 186,761.99
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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.