Finding the Fourth Proportional to 117,878.19, 176,752.67 and 46,728.75
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Solution
The fourth proportional to 117,878.19, 176,752.67 and 46,728.75 is: 70,067.51
Step by Step Solution
- Step 1: Write the proportion equation
117,878.19 : 176,752.67 = 46,728.75 : x - Step 2: Convert to fraction form
117,878.19/176,752.67 = 46,728.75/x - Step 3: Cross multiply
117,878.19x = 176,752.67 × 46,728.75 - Step 4: Simplify right side
117,878.19x = 8,259,431,094.62 - Step 5: Solve for x
x = 8,259,431,094.62/117,878.19 - Step 6: Final answer
x = 70,067.51
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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.