Finding the Fourth Proportional to 455,163.60, 683,134.20 and 202,832.40
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Solution
The fourth proportional to 455,163.60, 683,134.20 and 202,832.40 is: 304,421.86
Step by Step Solution
- Step 1: Write the proportion equation
455,163.60 : 683,134.20 = 202,832.40 : x - Step 2: Convert to fraction form
455,163.60/683,134.20 = 202,832.40/x - Step 3: Cross multiply
455,163.60x = 683,134.20 × 202,832.40 - Step 4: Simplify right side
455,163.60x = 138,561,749,308.08 - Step 5: Solve for x
x = 138,561,749,308.08/455,163.60 - Step 6: Final answer
x = 304,421.86
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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.