Finding the Fourth Proportional to 216,964.93, 325,478.31 and 67,216.99
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Solution
The fourth proportional to 216,964.93, 325,478.31 and 67,216.99 is: 100,835.06
Step by Step Solution
- Step 1: Write the proportion equation
216,964.93 : 325,478.31 = 67,216.99 : x - Step 2: Convert to fraction form
216,964.93/325,478.31 = 67,216.99/x - Step 3: Cross multiply
216,964.93x = 325,478.31 × 67,216.99 - Step 4: Simplify right side
216,964.93x = 21,877,672,308.49 - Step 5: Solve for x
x = 21,877,672,308.49/216,964.93 - Step 6: Final answer
x = 100,835.06
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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.