Finding the Fourth Proportional to 310,635.85, 465,270.80 and 256,716.74
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Solution
The fourth proportional to 310,635.85, 465,270.80 and 256,716.74 is: 384,510.68
Step by Step Solution
- Step 1: Write the proportion equation
310,635.85 : 465,270.80 = 256,716.74 : x - Step 2: Convert to fraction form
310,635.85/465,270.80 = 256,716.74/x - Step 3: Cross multiply
310,635.85x = 465,270.80 × 256,716.74 - Step 4: Simplify right side
310,635.85x = 119,442,802,993.19 - Step 5: Solve for x
x = 119,442,802,993.19/310,635.85 - Step 6: Final answer
x = 384,510.68
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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.