Finding the Fourth Proportional to 163,579.53, 245,369.30 and 45,247.80
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Solution
The fourth proportional to 163,579.53, 245,369.30 and 45,247.80 is: 67,871.70
Step by Step Solution
- Step 1: Write the proportion equation
163,579.53 : 245,369.30 = 45,247.80 : x - Step 2: Convert to fraction form
163,579.53/245,369.30 = 45,247.80/x - Step 3: Cross multiply
163,579.53x = 245,369.30 × 45,247.80 - Step 4: Simplify right side
163,579.53x = 11,102,420,786.30 - Step 5: Solve for x
x = 11,102,420,786.30/163,579.53 - Step 6: Final answer
x = 67,871.70
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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.