Finding the Fourth Proportional to 851,248.76, 1,277,059.94 and 252,256.79
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Solution
The fourth proportional to 851,248.76, 1,277,059.94 and 252,256.79 is: 378,440.55
Step by Step Solution
- Step 1: Write the proportion equation
851,248.76 : 1,277,059.94 = 252,256.79 : x - Step 2: Convert to fraction form
851,248.76/1,277,059.94 = 252,256.79/x - Step 3: Cross multiply
851,248.76x = 1,277,059.94 × 252,256.79 - Step 4: Simplify right side
851,248.76x = 322,147,043,979.32 - Step 5: Solve for x
x = 322,147,043,979.32/851,248.76 - Step 6: Final answer
x = 378,440.55
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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.