Finding the Fourth Proportional to 117,810.36, 176,731.97 and 37,850.75
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Solution
The fourth proportional to 117,810.36, 176,731.97 and 37,850.75 is: 56,781.41
Step by Step Solution
- Step 1: Write the proportion equation
117,810.36 : 176,731.97 = 37,850.75 : x - Step 2: Convert to fraction form
117,810.36/176,731.97 = 37,850.75/x - Step 3: Cross multiply
117,810.36x = 176,731.97 × 37,850.75 - Step 4: Simplify right side
117,810.36x = 6,689,437,866.05 - Step 5: Solve for x
x = 6,689,437,866.05/117,810.36 - Step 6: Final answer
x = 56,781.41
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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.