Finding the Fourth Proportional to 190,361.79, 284,881.70 and 118,285.11
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Solution
The fourth proportional to 190,361.79, 284,881.70 and 118,285.11 is: 177,016.95
Step by Step Solution
- Step 1: Write the proportion equation
190,361.79 : 284,881.70 = 118,285.11 : x - Step 2: Convert to fraction form
190,361.79/284,881.70 = 118,285.11/x - Step 3: Cross multiply
190,361.79x = 284,881.70 × 118,285.11 - Step 4: Simplify right side
190,361.79x = 33,697,262,630.06 - Step 5: Solve for x
x = 33,697,262,630.06/190,361.79 - Step 6: Final answer
x = 177,016.95
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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.