Finding the Fourth Proportional to 201,623.07, 278,237.64 and 110,977.09
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Solution
The fourth proportional to 201,623.07, 278,237.64 and 110,977.09 is: 153,147.18
Step by Step Solution
- Step 1: Write the proportion equation
201,623.07 : 278,237.64 = 110,977.09 : x - Step 2: Convert to fraction form
201,623.07/278,237.64 = 110,977.09/x - Step 3: Cross multiply
201,623.07x = 278,237.64 × 110,977.09 - Step 4: Simplify right side
201,623.07x = 30,878,003,615.67 - Step 5: Solve for x
x = 30,878,003,615.67/201,623.07 - Step 6: Final answer
x = 153,147.18
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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.