Finding the Fourth Proportional to 368,738.64, 508,704.84 and 225,452.88
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Solution
The fourth proportional to 368,738.64, 508,704.84 and 225,452.88 is: 311,030.52
Step by Step Solution
- Step 1: Write the proportion equation
368,738.64 : 508,704.84 = 225,452.88 : x - Step 2: Convert to fraction form
368,738.64/508,704.84 = 225,452.88/x - Step 3: Cross multiply
368,738.64x = 508,704.84 × 225,452.88 - Step 4: Simplify right side
368,738.64x = 114,688,971,247.94 - Step 5: Solve for x
x = 114,688,971,247.94/368,738.64 - Step 6: Final answer
x = 311,030.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.