Finding the Fourth Proportional to 187,461.36, 258,696.84 and 102,578.43
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Solution
The fourth proportional to 187,461.36, 258,696.84 and 102,578.43 is: 141,558.32
Step by Step Solution
- Step 1: Write the proportion equation
187,461.36 : 258,696.84 = 102,578.43 : x - Step 2: Convert to fraction form
187,461.36/258,696.84 = 102,578.43/x - Step 3: Cross multiply
187,461.36x = 258,696.84 × 102,578.43 - Step 4: Simplify right side
187,461.36x = 26,536,715,693.16 - Step 5: Solve for x
x = 26,536,715,693.16/187,461.36 - Step 6: Final answer
x = 141,558.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.