Finding the Fourth Proportional to 154,584.84, 213,220.36 and 108,741.68
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Solution
The fourth proportional to 154,584.84, 213,220.36 and 108,741.68 is: 149,988.45
Step by Step Solution
- Step 1: Write the proportion equation
154,584.84 : 213,220.36 = 108,741.68 : x - Step 2: Convert to fraction form
154,584.84/213,220.36 = 108,741.68/x - Step 3: Cross multiply
154,584.84x = 213,220.36 × 108,741.68 - Step 4: Simplify right side
154,584.84x = 23,185,940,156.60 - Step 5: Solve for x
x = 23,185,940,156.60/154,584.84 - Step 6: Final answer
x = 149,988.45
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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.