Finding the Fourth Proportional to 194,919.12, 292,378.68 and 47,175.12
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Solution
The fourth proportional to 194,919.12, 292,378.68 and 47,175.12 is: 70,762.68
Step by Step Solution
- Step 1: Write the proportion equation
194,919.12 : 292,378.68 = 47,175.12 : x - Step 2: Convert to fraction form
194,919.12/292,378.68 = 47,175.12/x - Step 3: Cross multiply
194,919.12x = 292,378.68 × 47,175.12 - Step 4: Simplify right side
194,919.12x = 13,792,999,314.44 - Step 5: Solve for x
x = 13,792,999,314.44/194,919.12 - Step 6: Final answer
x = 70,762.68
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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.