Finding the Fourth Proportional to 252,231.21, 348,079.41 and 139,053.96
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Solution
The fourth proportional to 252,231.21, 348,079.41 and 139,053.96 is: 191,894.65
Step by Step Solution
- Step 1: Write the proportion equation
252,231.21 : 348,079.41 = 139,053.96 : x - Step 2: Convert to fraction form
252,231.21/348,079.41 = 139,053.96/x - Step 3: Cross multiply
252,231.21x = 348,079.41 × 139,053.96 - Step 4: Simplify right side
252,231.21x = 48,401,820,354.96 - Step 5: Solve for x
x = 48,401,820,354.96/252,231.21 - Step 6: Final answer
x = 191,894.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.