Finding the Fourth Proportional to 283,860.80, 425,309.21 and 171,304.54
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Solution
The fourth proportional to 283,860.80, 425,309.21 and 171,304.54 is: 256,665.94
Step by Step Solution
- Step 1: Write the proportion equation
283,860.80 : 425,309.21 = 171,304.54 : x - Step 2: Convert to fraction form
283,860.80/425,309.21 = 171,304.54/x - Step 3: Cross multiply
283,860.80x = 425,309.21 × 171,304.54 - Step 4: Simplify right side
283,860.80x = 72,857,398,576.81 - Step 5: Solve for x
x = 72,857,398,576.81/283,860.80 - Step 6: Final answer
x = 256,665.94
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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.