Finding the Fourth Proportional to 355,998.41, 491,276.99 and 194,852.05
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Solution
The fourth proportional to 355,998.41, 491,276.99 and 194,852.05 is: 268,895.38
Step by Step Solution
- Step 1: Write the proportion equation
355,998.41 : 491,276.99 = 194,852.05 : x - Step 2: Convert to fraction form
355,998.41/491,276.99 = 194,852.05/x - Step 3: Cross multiply
355,998.41x = 491,276.99 × 194,852.05 - Step 4: Simplify right side
355,998.41x = 95,726,326,416.88 - Step 5: Solve for x
x = 95,726,326,416.88/355,998.41 - Step 6: Final answer
x = 268,895.38
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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.