Finding the Fourth Proportional to 135,205.16, 202,840.92 and 46,459.92
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Solution
The fourth proportional to 135,205.16, 202,840.92 and 46,459.92 is: 69,701.28
Step by Step Solution
- Step 1: Write the proportion equation
135,205.16 : 202,840.92 = 46,459.92 : x - Step 2: Convert to fraction form
135,205.16/202,840.92 = 46,459.92/x - Step 3: Cross multiply
135,205.16x = 202,840.92 × 46,459.92 - Step 4: Simplify right side
135,205.16x = 9,423,972,915.93 - Step 5: Solve for x
x = 9,423,972,915.93/135,205.16 - Step 6: Final answer
x = 69,701.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.