Finding the Fourth Proportional to 141,792.64, 212,636 and 47,005.44
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Solution
The fourth proportional to 141,792.64, 212,636 and 47,005.44 is: 70,490.60
Step by Step Solution
- Step 1: Write the proportion equation
141,792.64 : 212,636 = 47,005.44 : x - Step 2: Convert to fraction form
141,792.64/212,636 = 47,005.44/x - Step 3: Cross multiply
141,792.64x = 212,636 × 47,005.44 - Step 4: Simplify right side
141,792.64x = 9,995,048,739.84 - Step 5: Solve for x
x = 9,995,048,739.84/141,792.64 - Step 6: Final answer
x = 70,490.60
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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.