Finding the Fourth Proportional to 141,403.18, 212,059.70 and 46,615.70
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Solution
The fourth proportional to 141,403.18, 212,059.70 and 46,615.70 is: 69,908.69
Step by Step Solution
- Step 1: Write the proportion equation
141,403.18 : 212,059.70 = 46,615.70 : x - Step 2: Convert to fraction form
141,403.18/212,059.70 = 46,615.70/x - Step 3: Cross multiply
141,403.18x = 212,059.70 × 46,615.70 - Step 4: Simplify right side
141,403.18x = 9,885,311,357.29 - Step 5: Solve for x
x = 9,885,311,357.29/141,403.18 - Step 6: Final answer
x = 69,908.69
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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.