Finding the Fourth Proportional to 455,885.62, 683,613.73 and 266,400.75
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Solution
The fourth proportional to 455,885.62, 683,613.73 and 266,400.75 is: 399,475.66
Step by Step Solution
- Step 1: Write the proportion equation
455,885.62 : 683,613.73 = 266,400.75 : x - Step 2: Convert to fraction form
455,885.62/683,613.73 = 266,400.75/x - Step 3: Cross multiply
455,885.62x = 683,613.73 × 266,400.75 - Step 4: Simplify right side
455,885.62x = 182,115,207,935.02 - Step 5: Solve for x
x = 182,115,207,935.02/455,885.62 - Step 6: Final answer
x = 399,475.66
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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.