Finding the Fourth Proportional to 355,357.17, 490,392.93 and 194,212.17
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Solution
The fourth proportional to 355,357.17, 490,392.93 and 194,212.17 is: 268,012.82
Step by Step Solution
- Step 1: Write the proportion equation
355,357.17 : 490,392.93 = 194,212.17 : x - Step 2: Convert to fraction form
355,357.17/490,392.93 = 194,212.17/x - Step 3: Cross multiply
355,357.17x = 490,392.93 × 194,212.17 - Step 4: Simplify right side
355,357.17x = 95,240,275,816.25 - Step 5: Solve for x
x = 95,240,275,816.25/355,357.17 - Step 6: Final answer
x = 268,012.82
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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.