Finding the Fourth Proportional to 370,964.07, 511,372.26 and 290,251.44
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Solution
The fourth proportional to 370,964.07, 511,372.26 and 290,251.44 is: 400,110.27
Step by Step Solution
- Step 1: Write the proportion equation
370,964.07 : 511,372.26 = 290,251.44 : x - Step 2: Convert to fraction form
370,964.07/511,372.26 = 290,251.44/x - Step 3: Cross multiply
370,964.07x = 511,372.26 × 290,251.44 - Step 4: Simplify right side
370,964.07x = 148,426,534,841.05 - Step 5: Solve for x
x = 148,426,534,841.05/370,964.07 - Step 6: Final answer
x = 400,110.27
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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.