Finding the Fourth Proportional to 351,655.31, 485,283.74 and 190,514.45
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Solution
The fourth proportional to 351,655.31, 485,283.74 and 190,514.45 is: 262,909.62
Step by Step Solution
- Step 1: Write the proportion equation
351,655.31 : 485,283.74 = 190,514.45 : x - Step 2: Convert to fraction form
351,655.31/485,283.74 = 190,514.45/x - Step 3: Cross multiply
351,655.31x = 485,283.74 × 190,514.45 - Step 4: Simplify right side
351,655.31x = 92,453,561,441.05 - Step 5: Solve for x
x = 92,453,561,441.05/351,655.31 - Step 6: Final answer
x = 262,909.62
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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.