Finding the Fourth Proportional to 114,203.43, 171,235.77 and 57,211.05
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Solution
The fourth proportional to 114,203.43, 171,235.77 and 57,211.05 is: 85,781.82
Step by Step Solution
- Step 1: Write the proportion equation
114,203.43 : 171,235.77 = 57,211.05 : x - Step 2: Convert to fraction form
114,203.43/171,235.77 = 57,211.05/x - Step 3: Cross multiply
114,203.43x = 171,235.77 × 57,211.05 - Step 4: Simplify right side
114,203.43x = 9,796,578,199.26 - Step 5: Solve for x
x = 9,796,578,199.26/114,203.43 - Step 6: Final answer
x = 85,781.82
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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.