Finding the Fourth Proportional to 485,032.40, 727,894.20 and 204,750.80
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Solution
The fourth proportional to 485,032.40, 727,894.20 and 204,750.80 is: 307,272.09
Step by Step Solution
- Step 1: Write the proportion equation
485,032.40 : 727,894.20 = 204,750.80 : x - Step 2: Convert to fraction form
485,032.40/727,894.20 = 204,750.80/x - Step 3: Cross multiply
485,032.40x = 727,894.20 × 204,750.80 - Step 4: Simplify right side
485,032.40x = 149,036,919,765.36 - Step 5: Solve for x
x = 149,036,919,765.36/485,032.40 - Step 6: Final answer
x = 307,272.09
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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.