Finding the Fourth Proportional to 312,420.75, 468,773.93 and 170,052.75
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Solution
The fourth proportional to 312,420.75, 468,773.93 and 170,052.75 is: 255,156.85
Step by Step Solution
- Step 1: Write the proportion equation
312,420.75 : 468,773.93 = 170,052.75 : x - Step 2: Convert to fraction form
312,420.75/468,773.93 = 170,052.75/x - Step 3: Cross multiply
312,420.75x = 468,773.93 × 170,052.75 - Step 4: Simplify right side
312,420.75x = 79,716,295,074.54 - Step 5: Solve for x
x = 79,716,295,074.54/312,420.75 - Step 6: Final answer
x = 255,156.85
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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.