Finding the Fourth Proportional to 449,118.98, 673,678.50 and 358,738.54
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Solution
The fourth proportional to 449,118.98, 673,678.50 and 358,738.54 is: 538,107.82
Step by Step Solution
- Step 1: Write the proportion equation
449,118.98 : 673,678.50 = 358,738.54 : x - Step 2: Convert to fraction form
449,118.98/673,678.50 = 358,738.54/x - Step 3: Cross multiply
449,118.98x = 673,678.50 × 358,738.54 - Step 4: Simplify right side
449,118.98x = 241,674,436,357.31 - Step 5: Solve for x
x = 241,674,436,357.31/449,118.98 - Step 6: Final answer
x = 538,107.82
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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.