Finding the Fourth Proportional to 186,335.21, 257,136.97 and 103,548.91
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Solution
The fourth proportional to 186,335.21, 257,136.97 and 103,548.91 is: 142,894.37
Step by Step Solution
- Step 1: Write the proportion equation
186,335.21 : 257,136.97 = 103,548.91 : x - Step 2: Convert to fraction form
186,335.21/257,136.97 = 103,548.91/x - Step 3: Cross multiply
186,335.21x = 257,136.97 × 103,548.91 - Step 4: Simplify right side
186,335.21x = 26,626,251,160.77 - Step 5: Solve for x
x = 26,626,251,160.77/186,335.21 - Step 6: Final answer
x = 142,894.37
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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.