Finding the Fourth Proportional to 154,864.28, 232,361.76 and 84,661.58
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Solution
The fourth proportional to 154,864.28, 232,361.76 and 84,661.58 is: 127,028.09
Step by Step Solution
- Step 1: Write the proportion equation
154,864.28 : 232,361.76 = 84,661.58 : x - Step 2: Convert to fraction form
154,864.28/232,361.76 = 84,661.58/x - Step 3: Cross multiply
154,864.28x = 232,361.76 × 84,661.58 - Step 4: Simplify right side
154,864.28x = 19,672,113,733.18 - Step 5: Solve for x
x = 19,672,113,733.18/154,864.28 - Step 6: Final answer
x = 127,028.09
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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.