Finding the Fourth Proportional to 134,911.98, 202,349.53 and 40,156.79
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Solution
The fourth proportional to 134,911.98, 202,349.53 and 40,156.79 is: 60,229.69
Step by Step Solution
- Step 1: Write the proportion equation
134,911.98 : 202,349.53 = 40,156.79 : x - Step 2: Convert to fraction form
134,911.98/202,349.53 = 40,156.79/x - Step 3: Cross multiply
134,911.98x = 202,349.53 × 40,156.79 - Step 4: Simplify right side
134,911.98x = 8,125,706,964.48 - Step 5: Solve for x
x = 8,125,706,964.48/134,911.98 - Step 6: Final answer
x = 60,229.69
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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.