Finding the Fourth Proportional to 302,684.80, 454,027.20 and 288,906.70
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Solution
The fourth proportional to 302,684.80, 454,027.20 and 288,906.70 is: 433,360.05
Step by Step Solution
- Step 1: Write the proportion equation
302,684.80 : 454,027.20 = 288,906.70 : x - Step 2: Convert to fraction form
302,684.80/454,027.20 = 288,906.70/x - Step 3: Cross multiply
302,684.80x = 454,027.20 × 288,906.70 - Step 4: Simplify right side
302,684.80x = 131,171,500,062.24 - Step 5: Solve for x
x = 131,171,500,062.24/302,684.80 - Step 6: Final answer
x = 433,360.05
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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.