Finding the Fourth Proportional to 87,276.93, 130,915.19 and 23,235.09
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Solution
The fourth proportional to 87,276.93, 130,915.19 and 23,235.09 is: 34,852.58
Step by Step Solution
- Step 1: Write the proportion equation
87,276.93 : 130,915.19 = 23,235.09 : x - Step 2: Convert to fraction form
87,276.93/130,915.19 = 23,235.09/x - Step 3: Cross multiply
87,276.93x = 130,915.19 × 23,235.09 - Step 4: Simplify right side
87,276.93x = 3,041,825,789.17 - Step 5: Solve for x
x = 3,041,825,789.17/87,276.93 - Step 6: Final answer
x = 34,852.58
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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.