Finding the Fourth Proportional to 317,252.53, 437,807.32 and 196,369.75
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Solution
The fourth proportional to 317,252.53, 437,807.32 and 196,369.75 is: 270,989.53
Step by Step Solution
- Step 1: Write the proportion equation
317,252.53 : 437,807.32 = 196,369.75 : x - Step 2: Convert to fraction form
317,252.53/437,807.32 = 196,369.75/x - Step 3: Cross multiply
317,252.53x = 437,807.32 × 196,369.75 - Step 4: Simplify right side
317,252.53x = 85,972,113,976.57 - Step 5: Solve for x
x = 85,972,113,976.57/317,252.53 - Step 6: Final answer
x = 270,989.53
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1.5x scale
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.