Finding the Fourth Proportional to 371,586.28, 557,527.11 and 118,905.70
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Solution
The fourth proportional to 371,586.28, 557,527.11 and 118,905.70 is: 178,405.81
Step by Step Solution
- Step 1: Write the proportion equation
371,586.28 : 557,527.11 = 118,905.70 : x - Step 2: Convert to fraction form
371,586.28/557,527.11 = 118,905.70/x - Step 3: Cross multiply
371,586.28x = 557,527.11 × 118,905.70 - Step 4: Simplify right side
371,586.28x = 66,293,151,283.53 - Step 5: Solve for x
x = 66,293,151,283.53/371,586.28 - Step 6: Final answer
x = 178,405.81
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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.