Finding the Fourth Proportional to 355,437.74, 490,504.12 and 194,293.44
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Solution
The fourth proportional to 355,437.74, 490,504.12 and 194,293.44 is: 268,124.97
Step by Step Solution
- Step 1: Write the proportion equation
355,437.74 : 490,504.12 = 194,293.44 : x - Step 2: Convert to fraction form
355,437.74/490,504.12 = 194,293.44/x - Step 3: Cross multiply
355,437.74x = 490,504.12 × 194,293.44 - Step 4: Simplify right side
355,437.74x = 95,301,732,323.24 - Step 5: Solve for x
x = 95,301,732,323.24/355,437.74 - Step 6: Final answer
x = 268,124.97
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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.