Finding the Fourth Proportional to 201,456.74, 278,004.48 and 110,812.70
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Solution
The fourth proportional to 201,456.74, 278,004.48 and 110,812.70 is: 152,918.32
Step by Step Solution
- Step 1: Write the proportion equation
201,456.74 : 278,004.48 = 110,812.70 : x - Step 2: Convert to fraction form
201,456.74/278,004.48 = 110,812.70/x - Step 3: Cross multiply
201,456.74x = 278,004.48 × 110,812.70 - Step 4: Simplify right side
201,456.74x = 30,806,425,650.87 - Step 5: Solve for x
x = 30,806,425,650.87/201,456.74 - Step 6: Final answer
x = 152,918.32
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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.