Finding the Fourth Proportional to 140,776.12, 211,232.58 and 61,880.14
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Solution
The fourth proportional to 140,776.12, 211,232.58 and 61,880.14 is: 92,850.28
Step by Step Solution
- Step 1: Write the proportion equation
140,776.12 : 211,232.58 = 61,880.14 : x - Step 2: Convert to fraction form
140,776.12/211,232.58 = 61,880.14/x - Step 3: Cross multiply
140,776.12x = 211,232.58 × 61,880.14 - Step 4: Simplify right side
140,776.12x = 13,071,101,622.96 - Step 5: Solve for x
x = 13,071,101,622.96/140,776.12 - Step 6: Final answer
x = 92,850.28
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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.