Finding the Fourth Proportional to 453,946.70, 680,920.05 and 276,799.70
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Solution
The fourth proportional to 453,946.70, 680,920.05 and 276,799.70 is: 415,199.55
Step by Step Solution
- Step 1: Write the proportion equation
453,946.70 : 680,920.05 = 276,799.70 : x - Step 2: Convert to fraction form
453,946.70/680,920.05 = 276,799.70/x - Step 3: Cross multiply
453,946.70x = 680,920.05 × 276,799.70 - Step 4: Simplify right side
453,946.70x = 188,478,465,563.99 - Step 5: Solve for x
x = 188,478,465,563.99/453,946.70 - Step 6: Final answer
x = 415,199.55
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Similar ratio
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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.