Finding the Fourth Proportional to 141,483.21, 212,179.70 and 46,695.79
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Solution
The fourth proportional to 141,483.21, 212,179.70 and 46,695.79 is: 70,028.80
Step by Step Solution
- Step 1: Write the proportion equation
141,483.21 : 212,179.70 = 46,695.79 : x - Step 2: Convert to fraction form
141,483.21/212,179.70 = 46,695.79/x - Step 3: Cross multiply
141,483.21x = 212,179.70 × 46,695.79 - Step 4: Simplify right side
141,483.21x = 9,907,899,095.43 - Step 5: Solve for x
x = 9,907,899,095.43/141,483.21 - Step 6: Final answer
x = 70,028.80
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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.