Finding the Fourth Proportional to 134,728.80, 201,704.40 and 119,176.80
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Solution
The fourth proportional to 134,728.80, 201,704.40 and 119,176.80 is: 178,421.28
Step by Step Solution
- Step 1: Write the proportion equation
134,728.80 : 201,704.40 = 119,176.80 : x - Step 2: Convert to fraction form
134,728.80/201,704.40 = 119,176.80/x - Step 3: Cross multiply
134,728.80x = 201,704.40 × 119,176.80 - Step 4: Simplify right side
134,728.80x = 24,038,484,937.92 - Step 5: Solve for x
x = 24,038,484,937.92/134,728.80 - Step 6: Final answer
x = 178,421.28
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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.