Finding the Fourth Proportional to 454,279.77, 626,910.28 and 250,337.99
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Solution
The fourth proportional to 454,279.77, 626,910.28 and 250,337.99 is: 345,468.73
Step by Step Solution
- Step 1: Write the proportion equation
454,279.77 : 626,910.28 = 250,337.99 : x - Step 2: Convert to fraction form
454,279.77/626,910.28 = 250,337.99/x - Step 3: Cross multiply
454,279.77x = 626,910.28 × 250,337.99 - Step 4: Simplify right side
454,279.77x = 156,939,455,645.14 - Step 5: Solve for x
x = 156,939,455,645.14/454,279.77 - Step 6: Final answer
x = 345,468.73
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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.