Finding the Fourth Proportional to 479,190.36, 718,871.58 and 163,573.44
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Solution
The fourth proportional to 479,190.36, 718,871.58 and 163,573.44 is: 245,389.53
Step by Step Solution
- Step 1: Write the proportion equation
479,190.36 : 718,871.58 = 163,573.44 : x - Step 2: Convert to fraction form
479,190.36/718,871.58 = 163,573.44/x - Step 3: Cross multiply
479,190.36x = 718,871.58 × 163,573.44 - Step 4: Simplify right side
479,190.36x = 117,588,297,258.84 - Step 5: Solve for x
x = 117,588,297,258.84/479,190.36 - Step 6: Final answer
x = 245,389.53
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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.