Finding the Fourth Proportional to 195,432.68, 269,716.20 and 141,029.84
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Solution
The fourth proportional to 195,432.68, 269,716.20 and 141,029.84 is: 194,634.96
Step by Step Solution
- Step 1: Write the proportion equation
195,432.68 : 269,716.20 = 141,029.84 : x - Step 2: Convert to fraction form
195,432.68/269,716.20 = 141,029.84/x - Step 3: Cross multiply
195,432.68x = 269,716.20 × 141,029.84 - Step 4: Simplify right side
195,432.68x = 38,038,032,531.41 - Step 5: Solve for x
x = 38,038,032,531.41/195,432.68 - Step 6: Final answer
x = 194,634.96
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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.