Finding the Fourth Proportional to 134,518.20, 201,704.40 and 55,543.20
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Solution
The fourth proportional to 134,518.20, 201,704.40 and 55,543.20 is: 83,284.70
Step by Step Solution
- Step 1: Write the proportion equation
134,518.20 : 201,704.40 = 55,543.20 : x - Step 2: Convert to fraction form
134,518.20/201,704.40 = 55,543.20/x - Step 3: Cross multiply
134,518.20x = 201,704.40 × 55,543.20 - Step 4: Simplify right side
134,518.20x = 11,203,307,830.08 - Step 5: Solve for x
x = 11,203,307,830.08/134,518.20 - Step 6: Final answer
x = 83,284.70
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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.