Finding the Fourth Proportional to 324,363.82, 447,832.70 and 290,313.26
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Solution
The fourth proportional to 324,363.82, 447,832.70 and 290,313.26 is: 400,820.82
Step by Step Solution
- Step 1: Write the proportion equation
324,363.82 : 447,832.70 = 290,313.26 : x - Step 2: Convert to fraction form
324,363.82/447,832.70 = 290,313.26/x - Step 3: Cross multiply
324,363.82x = 447,832.70 × 290,313.26 - Step 4: Simplify right side
324,363.82x = 130,011,771,071.60 - Step 5: Solve for x
x = 130,011,771,071.60/324,363.82 - Step 6: Final answer
x = 400,820.82
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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.