Finding the Fourth Proportional to 503,479.68, 755,221.50 and 203,965.92
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Solution
The fourth proportional to 503,479.68, 755,221.50 and 203,965.92 is: 305,949.68
Step by Step Solution
- Step 1: Write the proportion equation
503,479.68 : 755,221.50 = 203,965.92 : x - Step 2: Convert to fraction form
503,479.68/755,221.50 = 203,965.92/x - Step 3: Cross multiply
503,479.68x = 755,221.50 × 203,965.92 - Step 4: Simplify right side
503,479.68x = 154,039,448,051.28 - Step 5: Solve for x
x = 154,039,448,051.28/503,479.68 - Step 6: Final answer
x = 305,949.68
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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.