Finding the Fourth Proportional to 261,890.08, 361,544.96 and 203,617.60
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Solution
The fourth proportional to 261,890.08, 361,544.96 and 203,617.60 is: 281,098.53
Step by Step Solution
- Step 1: Write the proportion equation
261,890.08 : 361,544.96 = 203,617.60 : x - Step 2: Convert to fraction form
261,890.08/361,544.96 = 203,617.60/x - Step 3: Cross multiply
261,890.08x = 361,544.96 × 203,617.60 - Step 4: Simplify right side
261,890.08x = 73,616,917,047.30 - Step 5: Solve for x
x = 73,616,917,047.30/261,890.08 - Step 6: Final answer
x = 281,098.53
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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.