Finding the Fourth Proportional to 141,400.08, 212,089.08 and 82,197.99
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Solution
The fourth proportional to 141,400.08, 212,089.08 and 82,197.99 is: 123,290.57
Step by Step Solution
- Step 1: Write the proportion equation
141,400.08 : 212,089.08 = 82,197.99 : x - Step 2: Convert to fraction form
141,400.08/212,089.08 = 82,197.99/x - Step 3: Cross multiply
141,400.08x = 212,089.08 × 82,197.99 - Step 4: Simplify right side
141,400.08x = 17,433,296,076.95 - Step 5: Solve for x
x = 17,433,296,076.95/141,400.08 - Step 6: Final answer
x = 123,290.57
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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.