Finding the Fourth Proportional to 366,909.80, 550,364.70 and 300,479.68
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Solution
The fourth proportional to 366,909.80, 550,364.70 and 300,479.68 is: 450,719.52
Step by Step Solution
- Step 1: Write the proportion equation
366,909.80 : 550,364.70 = 300,479.68 : x - Step 2: Convert to fraction form
366,909.80/550,364.70 = 300,479.68/x - Step 3: Cross multiply
366,909.80x = 550,364.70 × 300,479.68 - Step 4: Simplify right side
366,909.80x = 165,373,408,939.30 - Step 5: Solve for x
x = 165,373,408,939.30/366,909.80 - Step 6: Final answer
x = 450,719.52
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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.