Finding the Fourth Proportional to 310,541.80, 465,812.70 and 271,175.80
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Solution
The fourth proportional to 310,541.80, 465,812.70 and 271,175.80 is: 406,763.70
Step by Step Solution
- Step 1: Write the proportion equation
310,541.80 : 465,812.70 = 271,175.80 : x - Step 2: Convert to fraction form
310,541.80/465,812.70 = 271,175.80/x - Step 3: Cross multiply
310,541.80x = 465,812.70 × 271,175.80 - Step 4: Simplify right side
310,541.80x = 126,317,131,572.66 - Step 5: Solve for x
x = 126,317,131,572.66/310,541.80 - Step 6: Final answer
x = 406,763.70
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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.