Finding the Fourth Proportional to 98,249.28, 135,584.01 and 53,537.28
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Solution
The fourth proportional to 98,249.28, 135,584.01 and 53,537.28 is: 73,881.45
Step by Step Solution
- Step 1: Write the proportion equation
98,249.28 : 135,584.01 = 53,537.28 : x - Step 2: Convert to fraction form
98,249.28/135,584.01 = 53,537.28/x - Step 3: Cross multiply
98,249.28x = 135,584.01 × 53,537.28 - Step 4: Simplify right side
98,249.28x = 7,258,799,106.89 - Step 5: Solve for x
x = 7,258,799,106.89/98,249.28 - Step 6: Final answer
x = 73,881.45
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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.