Finding the Fourth Proportional to 283,315.20, 424,972.80 and 246,451.20
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Solution
The fourth proportional to 283,315.20, 424,972.80 and 246,451.20 is: 369,676.80
Step by Step Solution
- Step 1: Write the proportion equation
283,315.20 : 424,972.80 = 246,451.20 : x - Step 2: Convert to fraction form
283,315.20/424,972.80 = 246,451.20/x - Step 3: Cross multiply
283,315.20x = 424,972.80 × 246,451.20 - Step 4: Simplify right side
283,315.20x = 104,735,056,527.36 - Step 5: Solve for x
x = 104,735,056,527.36/283,315.20 - Step 6: Final answer
x = 369,676.80
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1.5x scale
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.