Finding the Fourth Proportional to 163,729.21, 245,593.81 and 58,541.80
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Solution
The fourth proportional to 163,729.21, 245,593.81 and 58,541.80 is: 87,812.70
Step by Step Solution
- Step 1: Write the proportion equation
163,729.21 : 245,593.81 = 58,541.80 : x - Step 2: Convert to fraction form
163,729.21/245,593.81 = 58,541.80/x - Step 3: Cross multiply
163,729.21x = 245,593.81 × 58,541.80 - Step 4: Simplify right side
163,729.21x = 14,377,503,165.45 - Step 5: Solve for x
x = 14,377,503,165.45/163,729.21 - Step 6: Final answer
x = 87,812.70
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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.