Finding the Fourth Proportional to 363,423.70, 545,135.55 and 205,959.70
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Solution
The fourth proportional to 363,423.70, 545,135.55 and 205,959.70 is: 308,939.55
Step by Step Solution
- Step 1: Write the proportion equation
363,423.70 : 545,135.55 = 205,959.70 : x - Step 2: Convert to fraction form
363,423.70/545,135.55 = 205,959.70/x - Step 3: Cross multiply
363,423.70x = 545,135.55 × 205,959.70 - Step 4: Simplify right side
363,423.70x = 112,275,954,337.34 - Step 5: Solve for x
x = 112,275,954,337.34/363,423.70 - Step 6: Final answer
x = 308,939.55
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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.