Finding the Fourth Proportional to 146,459.02, 202,113.76 and 79,391.02
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Solution
The fourth proportional to 146,459.02, 202,113.76 and 79,391.02 is: 109,559.78
Step by Step Solution
- Step 1: Write the proportion equation
146,459.02 : 202,113.76 = 79,391.02 : x - Step 2: Convert to fraction form
146,459.02/202,113.76 = 79,391.02/x - Step 3: Cross multiply
146,459.02x = 202,113.76 × 79,391.02 - Step 4: Simplify right side
146,459.02x = 16,046,017,562.44 - Step 5: Solve for x
x = 16,046,017,562.44/146,459.02 - Step 6: Final answer
x = 109,559.78
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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.