Finding the Fourth Proportional to 865,163.60, 1,297,869.60 and 266,175.08
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Solution
The fourth proportional to 865,163.60, 1,297,869.60 and 266,175.08 is: 399,300.83
Step by Step Solution
- Step 1: Write the proportion equation
865,163.60 : 1,297,869.60 = 266,175.08 : x - Step 2: Convert to fraction form
865,163.60/1,297,869.60 = 266,175.08/x - Step 3: Cross multiply
865,163.60x = 1,297,869.60 × 266,175.08 - Step 4: Simplify right side
865,163.60x = 345,460,544,609.57 - Step 5: Solve for x
x = 345,460,544,609.57/865,163.60 - Step 6: Final answer
x = 399,300.83
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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.