Finding the Fourth Proportional to 307,350.91, 460,915.53 and 129,871.68
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Solution
The fourth proportional to 307,350.91, 460,915.53 and 129,871.68 is: 194,760.69
Step by Step Solution
- Step 1: Write the proportion equation
307,350.91 : 460,915.53 = 129,871.68 : x - Step 2: Convert to fraction form
307,350.91/460,915.53 = 129,871.68/x - Step 3: Cross multiply
307,350.91x = 460,915.53 × 129,871.68 - Step 4: Simplify right side
307,350.91x = 59,859,874,219.19 - Step 5: Solve for x
x = 59,859,874,219.19/307,350.91 - Step 6: Final answer
x = 194,760.69
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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.