Finding the Fourth Proportional to 411,027.09, 616,467.96 and 111,531.02
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Solution
The fourth proportional to 411,027.09, 616,467.96 and 111,531.02 is: 167,276.80
Step by Step Solution
- Step 1: Write the proportion equation
411,027.09 : 616,467.96 = 111,531.02 : x - Step 2: Convert to fraction form
411,027.09/616,467.96 = 111,531.02/x - Step 3: Cross multiply
411,027.09x = 616,467.96 × 111,531.02 - Step 4: Simplify right side
411,027.09x = 68,755,297,293.78 - Step 5: Solve for x
x = 68,755,297,293.78/411,027.09 - Step 6: Final answer
x = 167,276.80
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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.