Finding the Fourth Proportional to 368,142.36, 552,213.54 and 118,861.08
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Solution
The fourth proportional to 368,142.36, 552,213.54 and 118,861.08 is: 178,291.62
Step by Step Solution
- Step 1: Write the proportion equation
368,142.36 : 552,213.54 = 118,861.08 : x - Step 2: Convert to fraction form
368,142.36/552,213.54 = 118,861.08/x - Step 3: Cross multiply
368,142.36x = 552,213.54 × 118,861.08 - Step 4: Simplify right side
368,142.36x = 65,636,697,755.02 - Step 5: Solve for x
x = 65,636,697,755.02/368,142.36 - Step 6: Final answer
x = 178,291.62
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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.