Finding the Fourth Proportional to 739,252.48, 1,108,879.84 and 178,286.96
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Solution
The fourth proportional to 739,252.48, 1,108,879.84 and 178,286.96 is: 267,430.71
Step by Step Solution
- Step 1: Write the proportion equation
739,252.48 : 1,108,879.84 = 178,286.96 : x - Step 2: Convert to fraction form
739,252.48/1,108,879.84 = 178,286.96/x - Step 3: Cross multiply
739,252.48x = 1,108,879.84 × 178,286.96 - Step 4: Simplify right side
739,252.48x = 197,698,815,678.89 - Step 5: Solve for x
x = 197,698,815,678.89/739,252.48 - Step 6: Final answer
x = 267,430.71
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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.