Finding the Fourth Proportional to 311,970.36, 468,004.50 and 134,527.80
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Solution
The fourth proportional to 311,970.36, 468,004.50 and 134,527.80 is: 201,812.81
Step by Step Solution
- Step 1: Write the proportion equation
311,970.36 : 468,004.50 = 134,527.80 : x - Step 2: Convert to fraction form
311,970.36/468,004.50 = 134,527.80/x - Step 3: Cross multiply
311,970.36x = 468,004.50 × 134,527.80 - Step 4: Simplify right side
311,970.36x = 62,959,615,775.10 - Step 5: Solve for x
x = 62,959,615,775.10/311,970.36 - Step 6: Final answer
x = 201,812.81
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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.