Finding the Fourth Proportional to 271,829.21, 375,128.95 and 149,326.75
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Solution
The fourth proportional to 271,829.21, 375,128.95 and 149,326.75 is: 206,073.46
Step by Step Solution
- Step 1: Write the proportion equation
271,829.21 : 375,128.95 = 149,326.75 : x - Step 2: Convert to fraction form
271,829.21/375,128.95 = 149,326.75/x - Step 3: Cross multiply
271,829.21x = 375,128.95 × 149,326.75 - Step 4: Simplify right side
271,829.21x = 56,016,786,934.41 - Step 5: Solve for x
x = 56,016,786,934.41/271,829.21 - Step 6: Final answer
x = 206,073.46
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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.