Finding the Fourth Proportional to 325,430.20, 488,582.70 and 207,623.80
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Solution
The fourth proportional to 325,430.20, 488,582.70 and 207,623.80 is: 311,714.76
Step by Step Solution
- Step 1: Write the proportion equation
325,430.20 : 488,582.70 = 207,623.80 : x - Step 2: Convert to fraction form
325,430.20/488,582.70 = 207,623.80/x - Step 3: Cross multiply
325,430.20x = 488,582.70 × 207,623.80 - Step 4: Simplify right side
325,430.20x = 101,441,396,788.26 - Step 5: Solve for x
x = 101,441,396,788.26/325,430.20 - Step 6: Final answer
x = 311,714.76
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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.