Finding the Fourth Proportional to 201,463.24, 278,013.45 and 110,819.20
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Solution
The fourth proportional to 201,463.24, 278,013.45 and 110,819.20 is: 152,927.29
Step by Step Solution
- Step 1: Write the proportion equation
201,463.24 : 278,013.45 = 110,819.20 : x - Step 2: Convert to fraction form
201,463.24/278,013.45 = 110,819.20/x - Step 3: Cross multiply
201,463.24x = 278,013.45 × 110,819.20 - Step 4: Simplify right side
201,463.24x = 30,809,228,118.24 - Step 5: Solve for x
x = 30,809,228,118.24/201,463.24 - Step 6: Final answer
x = 152,927.29
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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.