Finding the Fourth Proportional to 310,229.70, 465,344.55 and 231,497.70
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Solution
The fourth proportional to 310,229.70, 465,344.55 and 231,497.70 is: 347,246.55
Step by Step Solution
- Step 1: Write the proportion equation
310,229.70 : 465,344.55 = 231,497.70 : x - Step 2: Convert to fraction form
310,229.70/465,344.55 = 231,497.70/x - Step 3: Cross multiply
310,229.70x = 465,344.55 × 231,497.70 - Step 4: Simplify right side
310,229.70x = 107,726,193,032.54 - Step 5: Solve for x
x = 107,726,193,032.54/310,229.70 - Step 6: Final answer
x = 347,246.55
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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.