Finding the Fourth Proportional to 440,921.07, 608,481.72 and 268,847.91
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Solution
The fourth proportional to 440,921.07, 608,481.72 and 268,847.91 is: 371,016.61
Step by Step Solution
- Step 1: Write the proportion equation
440,921.07 : 608,481.72 = 268,847.91 : x - Step 2: Convert to fraction form
440,921.07/608,481.72 = 268,847.91/x - Step 3: Cross multiply
440,921.07x = 608,481.72 × 268,847.91 - Step 4: Simplify right side
440,921.07x = 163,589,038,695.21 - Step 5: Solve for x
x = 163,589,038,695.21/440,921.07 - Step 6: Final answer
x = 371,016.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.