Finding the Fourth Proportional to 312,416.26, 468,527.41 and 112,710.62
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Solution
The fourth proportional to 312,416.26, 468,527.41 and 112,710.62 is: 169,030.94
Step by Step Solution
- Step 1: Write the proportion equation
312,416.26 : 468,527.41 = 112,710.62 : x - Step 2: Convert to fraction form
312,416.26/468,527.41 = 112,710.62/x - Step 3: Cross multiply
312,416.26x = 468,527.41 × 112,710.62 - Step 4: Simplify right side
312,416.26x = 52,808,014,868.09 - Step 5: Solve for x
x = 52,808,014,868.09/312,416.26 - Step 6: Final answer
x = 169,030.94
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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.