Finding the Fourth Proportional to 455,464.62, 683,205.03 and 139,924.26
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Solution
The fourth proportional to 455,464.62, 683,205.03 and 139,924.26 is: 209,888.88
Step by Step Solution
- Step 1: Write the proportion equation
455,464.62 : 683,205.03 = 139,924.26 : x - Step 2: Convert to fraction form
455,464.62/683,205.03 = 139,924.26/x - Step 3: Cross multiply
455,464.62x = 683,205.03 × 139,924.26 - Step 4: Simplify right side
455,464.62x = 95,596,958,251.03 - Step 5: Solve for x
x = 95,596,958,251.03/455,464.62 - Step 6: Final answer
x = 209,888.88
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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.