Finding the Fourth Proportional to 432,911.20, 649,366.80 and 246,287.20
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Solution
The fourth proportional to 432,911.20, 649,366.80 and 246,287.20 is: 369,430.80
Step by Step Solution
- Step 1: Write the proportion equation
432,911.20 : 649,366.80 = 246,287.20 : x - Step 2: Convert to fraction form
432,911.20/649,366.80 = 246,287.20/x - Step 3: Cross multiply
432,911.20x = 649,366.80 × 246,287.20 - Step 4: Simplify right side
432,911.20x = 159,930,730,944.96 - Step 5: Solve for x
x = 159,930,730,944.96/432,911.20 - Step 6: Final answer
x = 369,430.80
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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.