Finding the Fourth Proportional to 135,299.97, 202,120.31 and 97,537.77
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Solution
The fourth proportional to 135,299.97, 202,120.31 and 97,537.77 is: 145,708.57
Step by Step Solution
- Step 1: Write the proportion equation
135,299.97 : 202,120.31 = 97,537.77 : x - Step 2: Convert to fraction form
135,299.97/202,120.31 = 97,537.77/x - Step 3: Cross multiply
135,299.97x = 202,120.31 × 97,537.77 - Step 4: Simplify right side
135,299.97x = 19,714,364,552.95 - Step 5: Solve for x
x = 19,714,364,552.95/135,299.97 - Step 6: Final answer
x = 145,708.57
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.