Finding the Fourth Proportional to 455,557.95, 683,336.91 and 135,714.66
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Solution
The fourth proportional to 455,557.95, 683,336.91 and 135,714.66 is: 203,571.99
Step by Step Solution
- Step 1: Write the proportion equation
455,557.95 : 683,336.91 = 135,714.66 : x - Step 2: Convert to fraction form
455,557.95/683,336.91 = 135,714.66/x - Step 3: Cross multiply
455,557.95x = 683,336.91 × 135,714.66 - Step 4: Simplify right side
455,557.95x = 92,738,836,406.10 - Step 5: Solve for x
x = 92,738,836,406.10/455,557.95 - Step 6: Final answer
x = 203,571.99
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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.