Finding the Fourth Proportional to 177,123.85, 244,418.70 and 99,611.08
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Solution
The fourth proportional to 177,123.85, 244,418.70 and 99,611.08 is: 137,456.43
Step by Step Solution
- Step 1: Write the proportion equation
177,123.85 : 244,418.70 = 99,611.08 : x - Step 2: Convert to fraction form
177,123.85/244,418.70 = 99,611.08/x - Step 3: Cross multiply
177,123.85x = 244,418.70 × 99,611.08 - Step 4: Simplify right side
177,123.85x = 24,346,811,256.23 - Step 5: Solve for x
x = 24,346,811,256.23/177,123.85 - Step 6: Final answer
x = 137,456.43
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1.5x scale
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.