Finding the Fourth Proportional to 147,256.88, 203,214.84 and 80,193.20
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Solution
The fourth proportional to 147,256.88, 203,214.84 and 80,193.20 is: 110,666.80
Step by Step Solution
- Step 1: Write the proportion equation
147,256.88 : 203,214.84 = 80,193.20 : x - Step 2: Convert to fraction form
147,256.88/203,214.84 = 80,193.20/x - Step 3: Cross multiply
147,256.88x = 203,214.84 × 80,193.20 - Step 4: Simplify right side
147,256.88x = 16,296,448,307.09 - Step 5: Solve for x
x = 16,296,448,307.09/147,256.88 - Step 6: Final answer
x = 110,666.80
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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.