Finding the Fourth Proportional to 455,402.28, 682,984.20 and 135,467.95
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Solution
The fourth proportional to 455,402.28, 682,984.20 and 135,467.95 is: 203,166.46
Step by Step Solution
- Step 1: Write the proportion equation
455,402.28 : 682,984.20 = 135,467.95 : x - Step 2: Convert to fraction form
455,402.28/682,984.20 = 135,467.95/x - Step 3: Cross multiply
455,402.28x = 682,984.20 × 135,467.95 - Step 4: Simplify right side
455,402.28x = 92,522,471,458.42 - Step 5: Solve for x
x = 92,522,471,458.42/455,402.28 - Step 6: Final answer
x = 203,166.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.