Finding the Fourth Proportional to 306,951.80, 460,427.70 and 293,173.70
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Solution
The fourth proportional to 306,951.80, 460,427.70 and 293,173.70 is: 439,760.55
Step by Step Solution
- Step 1: Write the proportion equation
306,951.80 : 460,427.70 = 293,173.70 : x - Step 2: Convert to fraction form
306,951.80/460,427.70 = 293,173.70/x - Step 3: Cross multiply
306,951.80x = 460,427.70 × 293,173.70 - Step 4: Simplify right side
306,951.80x = 134,985,292,391.49 - Step 5: Solve for x
x = 134,985,292,391.49/306,951.80 - Step 6: Final answer
x = 439,760.55
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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.