Finding the Fourth Proportional to 1,021,109.94, 1,531,664.91 and 273,136.50
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Solution
The fourth proportional to 1,021,109.94, 1,531,664.91 and 273,136.50 is: 409,704.75
Step by Step Solution
- Step 1: Write the proportion equation
1,021,109.94 : 1,531,664.91 = 273,136.50 : x - Step 2: Convert to fraction form
1,021,109.94/1,531,664.91 = 273,136.50/x - Step 3: Cross multiply
1,021,109.94x = 1,531,664.91 × 273,136.50 - Step 4: Simplify right side
1,021,109.94x = 418,353,592,690.22 - Step 5: Solve for x
x = 418,353,592,690.22/1,021,109.94 - Step 6: Final answer
x = 409,704.75
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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.