Finding the Fourth Proportional to 187,418.02, 258,640.64 and 102,536.90
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Solution
The fourth proportional to 187,418.02, 258,640.64 and 102,536.90 is: 141,502.99
Step by Step Solution
- Step 1: Write the proportion equation
187,418.02 : 258,640.64 = 102,536.90 : x - Step 2: Convert to fraction form
187,418.02/258,640.64 = 102,536.90/x - Step 3: Cross multiply
187,418.02x = 258,640.64 × 102,536.90 - Step 4: Simplify right side
187,418.02x = 26,520,209,439.62 - Step 5: Solve for x
x = 26,520,209,439.62/187,418.02 - Step 6: Final answer
x = 141,502.99
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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.