Finding the Fourth Proportional to 558,145.14, 770,249.97 and 303,497.88
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Solution
The fourth proportional to 558,145.14, 770,249.97 and 303,497.88 is: 418,832.34
Step by Step Solution
- Step 1: Write the proportion equation
558,145.14 : 770,249.97 = 303,497.88 : x - Step 2: Convert to fraction form
558,145.14/770,249.97 = 303,497.88/x - Step 3: Cross multiply
558,145.14x = 770,249.97 × 303,497.88 - Step 4: Simplify right side
558,145.14x = 233,769,232,965.06 - Step 5: Solve for x
x = 233,769,232,965.06/558,145.14 - Step 6: Final answer
x = 418,832.34
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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.