Finding the Fourth Proportional to 110,372.24, 152,296.75 and 61,976.68
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Solution
The fourth proportional to 110,372.24, 152,296.75 and 61,976.68 is: 85,518.31
Step by Step Solution
- Step 1: Write the proportion equation
110,372.24 : 152,296.75 = 61,976.68 : x - Step 2: Convert to fraction form
110,372.24/152,296.75 = 61,976.68/x - Step 3: Cross multiply
110,372.24x = 152,296.75 × 61,976.68 - Step 4: Simplify right side
110,372.24x = 9,438,846,939.79 - Step 5: Solve for x
x = 9,438,846,939.79/110,372.24 - Step 6: Final answer
x = 85,518.31
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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.