Finding the Fourth Proportional to 455,635.55, 628,773.10 and 251,700.70
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Solution
The fourth proportional to 455,635.55, 628,773.10 and 251,700.70 is: 347,344.78
Step by Step Solution
- Step 1: Write the proportion equation
455,635.55 : 628,773.10 = 251,700.70 : x - Step 2: Convert to fraction form
455,635.55/628,773.10 = 251,700.70/x - Step 3: Cross multiply
455,635.55x = 628,773.10 × 251,700.70 - Step 4: Simplify right side
455,635.55x = 158,262,629,411.17 - Step 5: Solve for x
x = 158,262,629,411.17/455,635.55 - Step 6: Final answer
x = 347,344.78
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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.