Finding the Fourth Proportional to 306,540.29, 423,025.56 and 170,582.99
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Solution
The fourth proportional to 306,540.29, 423,025.56 and 170,582.99 is: 235,404.50
Step by Step Solution
- Step 1: Write the proportion equation
306,540.29 : 423,025.56 = 170,582.99 : x - Step 2: Convert to fraction form
306,540.29/423,025.56 = 170,582.99/x - Step 3: Cross multiply
306,540.29x = 423,025.56 × 170,582.99 - Step 4: Simplify right side
306,540.29x = 72,160,964,871.22 - Step 5: Solve for x
x = 72,160,964,871.22/306,540.29 - Step 6: Final answer
x = 235,404.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.