Finding the Fourth Proportional to 146,472.96, 202,130.88 and 79,403.52
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Solution
The fourth proportional to 146,472.96, 202,130.88 and 79,403.52 is: 109,575.88
Step by Step Solution
- Step 1: Write the proportion equation
146,472.96 : 202,130.88 = 79,403.52 : x - Step 2: Convert to fraction form
146,472.96/202,130.88 = 79,403.52/x - Step 3: Cross multiply
146,472.96x = 202,130.88 × 79,403.52 - Step 4: Simplify right side
146,472.96x = 16,049,903,372.70 - Step 5: Solve for x
x = 16,049,903,372.70/146,472.96 - Step 6: Final answer
x = 109,575.88
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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.