Finding the Fourth Proportional to 409,021.40, 613,324.46 and 306,885.08
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Solution
The fourth proportional to 409,021.40, 613,324.46 and 306,885.08 is: 460,171.83
Step by Step Solution
- Step 1: Write the proportion equation
409,021.40 : 613,324.46 = 306,885.08 : x - Step 2: Convert to fraction form
409,021.40/613,324.46 = 306,885.08/x - Step 3: Cross multiply
409,021.40x = 613,324.46 × 306,885.08 - Step 4: Simplify right side
409,021.40x = 188,220,125,973.06 - Step 5: Solve for x
x = 188,220,125,973.06/409,021.40 - Step 6: Final answer
x = 460,171.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.