Finding the Fourth Proportional to 449,237.35, 619,942.84 and 245,287.68
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Solution
The fourth proportional to 449,237.35, 619,942.84 and 245,287.68 is: 338,494.43
Step by Step Solution
- Step 1: Write the proportion equation
449,237.35 : 619,942.84 = 245,287.68 : x - Step 2: Convert to fraction form
449,237.35/619,942.84 = 245,287.68/x - Step 3: Cross multiply
449,237.35x = 619,942.84 × 245,287.68 - Step 4: Simplify right side
449,237.35x = 152,064,340,956.21 - Step 5: Solve for x
x = 152,064,340,956.21/449,237.35 - Step 6: Final answer
x = 338,494.43
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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.