Finding the Fourth Proportional to 456,754.95, 684,738.77 and 219,771.63
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Solution
The fourth proportional to 456,754.95, 684,738.77 and 219,771.63 is: 329,468.03
Step by Step Solution
- Step 1: Write the proportion equation
456,754.95 : 684,738.77 = 219,771.63 : x - Step 2: Convert to fraction form
456,754.95/684,738.77 = 219,771.63/x - Step 3: Cross multiply
456,754.95x = 684,738.77 × 219,771.63 - Step 4: Simplify right side
456,754.95x = 150,486,154,508.24 - Step 5: Solve for x
x = 150,486,154,508.24/456,754.95 - Step 6: Final answer
x = 329,468.03
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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.