Finding the Fourth Proportional to 312,366.24, 468,549.36 and 75,708.92
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Solution
The fourth proportional to 312,366.24, 468,549.36 and 75,708.92 is: 113,563.38
Step by Step Solution
- Step 1: Write the proportion equation
312,366.24 : 468,549.36 = 75,708.92 : x - Step 2: Convert to fraction form
312,366.24/468,549.36 = 75,708.92/x - Step 3: Cross multiply
312,366.24x = 468,549.36 × 75,708.92 - Step 4: Simplify right side
312,366.24x = 35,473,366,012.29 - Step 5: Solve for x
x = 35,473,366,012.29/312,366.24 - Step 6: Final answer
x = 113,563.38
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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.