Finding the Fourth Proportional to 117,687.94, 176,432.40 and 51,077.99
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Solution
The fourth proportional to 117,687.94, 176,432.40 and 51,077.99 is: 76,573.80
Step by Step Solution
- Step 1: Write the proportion equation
117,687.94 : 176,432.40 = 51,077.99 : x - Step 2: Convert to fraction form
117,687.94/176,432.40 = 51,077.99/x - Step 3: Cross multiply
117,687.94x = 176,432.40 × 51,077.99 - Step 4: Simplify right side
117,687.94x = 9,011,812,803.96 - Step 5: Solve for x
x = 9,011,812,803.96/117,687.94 - Step 6: Final answer
x = 76,573.80
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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.