Finding the Fourth Proportional to 144,474.36, 216,530.88 and 69,580.44
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Solution
The fourth proportional to 144,474.36, 216,530.88 and 69,580.44 is: 104,283.65
Step by Step Solution
- Step 1: Write the proportion equation
144,474.36 : 216,530.88 = 69,580.44 : x - Step 2: Convert to fraction form
144,474.36/216,530.88 = 69,580.44/x - Step 3: Cross multiply
144,474.36x = 216,530.88 × 69,580.44 - Step 4: Simplify right side
144,474.36x = 15,066,313,903.99 - Step 5: Solve for x
x = 15,066,313,903.99/144,474.36 - Step 6: Final answer
x = 104,283.65
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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.