Finding the Fourth Proportional to 448,649.96, 672,750.06 and 149,025.49
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Solution
The fourth proportional to 448,649.96, 672,750.06 and 149,025.49 is: 223,463.54
Step by Step Solution
- Step 1: Write the proportion equation
448,649.96 : 672,750.06 = 149,025.49 : x - Step 2: Convert to fraction form
448,649.96/672,750.06 = 149,025.49/x - Step 3: Cross multiply
448,649.96x = 672,750.06 × 149,025.49 - Step 4: Simplify right side
448,649.96x = 100,256,905,098.31 - Step 5: Solve for x
x = 100,256,905,098.31/448,649.96 - Step 6: Final answer
x = 223,463.54
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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.