Finding the Fourth Proportional to 293,591.81, 405,351.84 and 225,487.07
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Solution
The fourth proportional to 293,591.81, 405,351.84 and 225,487.07 is: 311,322.03
Step by Step Solution
- Step 1: Write the proportion equation
293,591.81 : 405,351.84 = 225,487.07 : x - Step 2: Convert to fraction form
293,591.81/405,351.84 = 225,487.07/x - Step 3: Cross multiply
293,591.81x = 405,351.84 × 225,487.07 - Step 4: Simplify right side
293,591.81x = 91,401,596,693.95 - Step 5: Solve for x
x = 91,401,596,693.95/293,591.81 - Step 6: Final answer
x = 311,322.03
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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.