Finding the Fourth Proportional to 432,911.80, 649,367.70 and 353,195.65
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Solution
The fourth proportional to 432,911.80, 649,367.70 and 353,195.65 is: 529,793.48
Step by Step Solution
- Step 1: Write the proportion equation
432,911.80 : 649,367.70 = 353,195.65 : x - Step 2: Convert to fraction form
432,911.80/649,367.70 = 353,195.65/x - Step 3: Cross multiply
432,911.80x = 649,367.70 × 353,195.65 - Step 4: Simplify right side
432,911.80x = 229,353,846,890.51 - Step 5: Solve for x
x = 229,353,846,890.51/432,911.80 - Step 6: Final answer
x = 529,793.48
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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.