Finding the Fourth Proportional to 366,873.80, 550,310.70 and 320,217.80
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Solution
The fourth proportional to 366,873.80, 550,310.70 and 320,217.80 is: 480,326.70
Step by Step Solution
- Step 1: Write the proportion equation
366,873.80 : 550,310.70 = 320,217.80 : x - Step 2: Convert to fraction form
366,873.80/550,310.70 = 320,217.80/x - Step 3: Cross multiply
366,873.80x = 550,310.70 × 320,217.80 - Step 4: Simplify right side
366,873.80x = 176,219,281,670.46 - Step 5: Solve for x
x = 176,219,281,670.46/366,873.80 - Step 6: Final answer
x = 480,326.70
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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.