Finding the Fourth Proportional to 312,610.70, 468,914.52 and 75,954.08
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Solution
The fourth proportional to 312,610.70, 468,914.52 and 75,954.08 is: 113,930.75
Step by Step Solution
- Step 1: Write the proportion equation
312,610.70 : 468,914.52 = 75,954.08 : x - Step 2: Convert to fraction form
312,610.70/468,914.52 = 75,954.08/x - Step 3: Cross multiply
312,610.70x = 468,914.52 × 75,954.08 - Step 4: Simplify right side
312,610.70x = 35,615,970,965.24 - Step 5: Solve for x
x = 35,615,970,965.24/312,610.70 - Step 6: Final answer
x = 113,930.75
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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.