Finding the Fourth Proportional to 356,313.74, 491,724.93 and 195,177.85
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Solution
The fourth proportional to 356,313.74, 491,724.93 and 195,177.85 is: 269,352.00
Step by Step Solution
- Step 1: Write the proportion equation
356,313.74 : 491,724.93 = 195,177.85 : x - Step 2: Convert to fraction form
356,313.74/491,724.93 = 195,177.85/x - Step 3: Cross multiply
356,313.74x = 491,724.93 × 195,177.85 - Step 4: Simplify right side
356,313.74x = 95,973,815,799.48 - Step 5: Solve for x
x = 95,973,815,799.48/356,313.74 - Step 6: Final answer
x = 269,352.00
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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.