Finding the Fourth Proportional to 449,188.09, 619,885.58 and 245,236.68
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Solution
The fourth proportional to 449,188.09, 619,885.58 and 245,236.68 is: 338,429.90
Step by Step Solution
- Step 1: Write the proportion equation
449,188.09 : 619,885.58 = 245,236.68 : x - Step 2: Convert to fraction form
449,188.09/619,885.58 = 245,236.68/x - Step 3: Cross multiply
449,188.09x = 619,885.58 × 245,236.68 - Step 4: Simplify right side
449,188.09x = 152,018,680,392.89 - Step 5: Solve for x
x = 152,018,680,392.89/449,188.09 - Step 6: Final answer
x = 338,429.90
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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.