Finding the Fourth Proportional to 117,559.96, 176,566.84 and 100,730.99
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Solution
The fourth proportional to 117,559.96, 176,566.84 and 100,730.99 is: 151,290.91
Step by Step Solution
- Step 1: Write the proportion equation
117,559.96 : 176,566.84 = 100,730.99 : x - Step 2: Convert to fraction form
117,559.96/176,566.84 = 100,730.99/x - Step 3: Cross multiply
117,559.96x = 176,566.84 × 100,730.99 - Step 4: Simplify right side
117,559.96x = 17,785,752,783.96 - Step 5: Solve for x
x = 17,785,752,783.96/117,559.96 - Step 6: Final answer
x = 151,290.91
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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.