Finding the Fourth Proportional to 120,269.84, 180,307.54 and 50,201.60
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Solution
The fourth proportional to 120,269.84, 180,307.54 and 50,201.60 is: 75,261.82
Step by Step Solution
- Step 1: Write the proportion equation
120,269.84 : 180,307.54 = 50,201.60 : x - Step 2: Convert to fraction form
120,269.84/180,307.54 = 50,201.60/x - Step 3: Cross multiply
120,269.84x = 180,307.54 × 50,201.60 - Step 4: Simplify right side
120,269.84x = 9,051,727,000.06 - Step 5: Solve for x
x = 9,051,727,000.06/120,269.84 - Step 6: Final answer
x = 75,261.82
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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.