Finding the Fourth Proportional to 118,889.17, 177,175.76 and 115,284.67
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Solution
The fourth proportional to 118,889.17, 177,175.76 and 115,284.67 is: 171,804.11
Step by Step Solution
- Step 1: Write the proportion equation
118,889.17 : 177,175.76 = 115,284.67 : x - Step 2: Convert to fraction form
118,889.17/177,175.76 = 115,284.67/x - Step 3: Cross multiply
118,889.17x = 177,175.76 × 115,284.67 - Step 4: Simplify right side
118,889.17x = 20,425,648,004.24 - Step 5: Solve for x
x = 20,425,648,004.24/118,889.17 - Step 6: Final answer
x = 171,804.11
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.