Finding the Fourth Proportional to 117,804.78, 176,763.87 and 58,645.62
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Solution
The fourth proportional to 117,804.78, 176,763.87 and 58,645.62 is: 87,996.66
Step by Step Solution
- Step 1: Write the proportion equation
117,804.78 : 176,763.87 = 58,645.62 : x - Step 2: Convert to fraction form
117,804.78/176,763.87 = 58,645.62/x - Step 3: Cross multiply
117,804.78x = 176,763.87 × 58,645.62 - Step 4: Simplify right side
117,804.78x = 10,366,426,749.75 - Step 5: Solve for x
x = 10,366,426,749.75/117,804.78 - Step 6: Final answer
x = 87,996.66
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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.