Finding the Fourth Proportional to 76,215.42, 114,327.99 and 29,467.62
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Solution
The fourth proportional to 76,215.42, 114,327.99 and 29,467.62 is: 44,203.31
Step by Step Solution
- Step 1: Write the proportion equation
76,215.42 : 114,327.99 = 29,467.62 : x - Step 2: Convert to fraction form
76,215.42/114,327.99 = 29,467.62/x - Step 3: Cross multiply
76,215.42x = 114,327.99 × 29,467.62 - Step 4: Simplify right side
76,215.42x = 3,368,973,764.68 - Step 5: Solve for x
x = 3,368,973,764.68/76,215.42 - Step 6: Final answer
x = 44,203.31
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1.5x scale
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.