Finding the Fourth Proportional to 120,203.11, 180,316.68 and 41,306.95
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Solution
The fourth proportional to 120,203.11, 180,316.68 and 41,306.95 is: 61,964.55
Step by Step Solution
- Step 1: Write the proportion equation
120,203.11 : 180,316.68 = 41,306.95 : x - Step 2: Convert to fraction form
120,203.11/180,316.68 = 41,306.95/x - Step 3: Cross multiply
120,203.11x = 180,316.68 × 41,306.95 - Step 4: Simplify right side
120,203.11x = 7,448,332,084.93 - Step 5: Solve for x
x = 7,448,332,084.93/120,203.11 - Step 6: Final answer
x = 61,964.55
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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.