Finding the Fourth Proportional to 141,558.30, 212,441.20 and 104,218.99
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Solution
The fourth proportional to 141,558.30, 212,441.20 and 104,218.99 is: 156,404.86
Step by Step Solution
- Step 1: Write the proportion equation
141,558.30 : 212,441.20 = 104,218.99 : x - Step 2: Convert to fraction form
141,558.30/212,441.20 = 104,218.99/x - Step 3: Cross multiply
141,558.30x = 212,441.20 × 104,218.99 - Step 4: Simplify right side
141,558.30x = 22,140,406,506.74 - Step 5: Solve for x
x = 22,140,406,506.74/141,558.30 - Step 6: Final answer
x = 156,404.86
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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.