Finding the Fourth Proportional to 84,240.24, 126,359.85 and 21,060.06
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Solution
The fourth proportional to 84,240.24, 126,359.85 and 21,060.06 is: 31,589.96
Step by Step Solution
- Step 1: Write the proportion equation
84,240.24 : 126,359.85 = 21,060.06 : x - Step 2: Convert to fraction form
84,240.24/126,359.85 = 21,060.06/x - Step 3: Cross multiply
84,240.24x = 126,359.85 × 21,060.06 - Step 4: Simplify right side
84,240.24x = 2,661,146,022.59 - Step 5: Solve for x
x = 2,661,146,022.59/84,240.24 - Step 6: Final answer
x = 31,589.96
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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.