Finding the Fourth Proportional to 201,461.24, 278,010.69 and 110,817.20
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Solution
The fourth proportional to 201,461.24, 278,010.69 and 110,817.20 is: 152,924.53
Step by Step Solution
- Step 1: Write the proportion equation
201,461.24 : 278,010.69 = 110,817.20 : x - Step 2: Convert to fraction form
201,461.24/278,010.69 = 110,817.20/x - Step 3: Cross multiply
201,461.24x = 278,010.69 × 110,817.20 - Step 4: Simplify right side
201,461.24x = 30,808,366,235.87 - Step 5: Solve for x
x = 30,808,366,235.87/201,461.24 - Step 6: Final answer
x = 152,924.53
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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.