Finding the Fourth Proportional to 118,578.24, 177,867.36 and 56,214.72
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Solution
The fourth proportional to 118,578.24, 177,867.36 and 56,214.72 is: 84,322.08
Step by Step Solution
- Step 1: Write the proportion equation
118,578.24 : 177,867.36 = 56,214.72 : x - Step 2: Convert to fraction form
118,578.24/177,867.36 = 56,214.72/x - Step 3: Cross multiply
118,578.24x = 177,867.36 × 56,214.72 - Step 4: Simplify right side
118,578.24x = 9,998,763,839.54 - Step 5: Solve for x
x = 9,998,763,839.54/118,578.24 - Step 6: Final answer
x = 84,322.08
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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.