Finding the Fourth Proportional to 201,515.98, 278,092.02 and 110,869.96
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Solution
The fourth proportional to 201,515.98, 278,092.02 and 110,869.96 is: 153,000.53
Step by Step Solution
- Step 1: Write the proportion equation
201,515.98 : 278,092.02 = 110,869.96 : x - Step 2: Convert to fraction form
201,515.98/278,092.02 = 110,869.96/x - Step 3: Cross multiply
201,515.98x = 278,092.02 × 110,869.96 - Step 4: Simplify right side
201,515.98x = 30,832,051,133.72 - Step 5: Solve for x
x = 30,832,051,133.72/201,515.98 - Step 6: Final answer
x = 153,000.53
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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.