Finding the Fourth Proportional to 218,063.70, 326,852.55 and 84,899.70
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Solution
The fourth proportional to 218,063.70, 326,852.55 and 84,899.70 is: 127,254.94
Step by Step Solution
- Step 1: Write the proportion equation
218,063.70 : 326,852.55 = 84,899.70 : x - Step 2: Convert to fraction form
218,063.70/326,852.55 = 84,899.70/x - Step 3: Cross multiply
218,063.70x = 326,852.55 × 84,899.70 - Step 4: Simplify right side
218,063.70x = 27,749,683,439.24 - Step 5: Solve for x
x = 27,749,683,439.24/218,063.70 - Step 6: Final answer
x = 127,254.94
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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.