Finding the Fourth Proportional to 326,450.03, 487,024.19 and 308,793.65
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Solution
The fourth proportional to 326,450.03, 487,024.19 and 308,793.65 is: 460,682.99
Step by Step Solution
- Step 1: Write the proportion equation
326,450.03 : 487,024.19 = 308,793.65 : x - Step 2: Convert to fraction form
326,450.03/487,024.19 = 308,793.65/x - Step 3: Cross multiply
326,450.03x = 487,024.19 × 308,793.65 - Step 4: Simplify right side
326,450.03x = 150,389,979,024.31 - Step 5: Solve for x
x = 150,389,979,024.31/326,450.03 - Step 6: Final answer
x = 460,682.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.