Finding the Fourth Proportional to 253,764.86, 350,207.10 and 144,898.74
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Solution
The fourth proportional to 253,764.86, 350,207.10 and 144,898.74 is: 199,966.88
Step by Step Solution
- Step 1: Write the proportion equation
253,764.86 : 350,207.10 = 144,898.74 : x - Step 2: Convert to fraction form
253,764.86/350,207.10 = 144,898.74/x - Step 3: Cross multiply
253,764.86x = 350,207.10 × 144,898.74 - Step 4: Simplify right side
253,764.86x = 50,744,567,529.05 - Step 5: Solve for x
x = 50,744,567,529.05/253,764.86 - Step 6: Final answer
x = 199,966.88
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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.