Finding the Fourth Proportional to 277,151.99, 382,470.80 and 154,649.54
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Solution
The fourth proportional to 277,151.99, 382,470.80 and 154,649.54 is: 213,416.95
Step by Step Solution
- Step 1: Write the proportion equation
277,151.99 : 382,470.80 = 154,649.54 : x - Step 2: Convert to fraction form
277,151.99/382,470.80 = 154,649.54/x - Step 3: Cross multiply
277,151.99x = 382,470.80 × 154,649.54 - Step 4: Simplify right side
277,151.99x = 59,148,930,597.83 - Step 5: Solve for x
x = 59,148,930,597.83/277,151.99 - Step 6: Final answer
x = 213,416.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.