Finding the Fourth Proportional to 252,215.19, 348,059.30 and 139,041.99
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Solution
The fourth proportional to 252,215.19, 348,059.30 and 139,041.99 is: 191,879.23
Step by Step Solution
- Step 1: Write the proportion equation
252,215.19 : 348,059.30 = 139,041.99 : x - Step 2: Convert to fraction form
252,215.19/348,059.30 = 139,041.99/x - Step 3: Cross multiply
252,215.19x = 348,059.30 × 139,041.99 - Step 4: Simplify right side
252,215.19x = 48,394,857,014.80 - Step 5: Solve for x
x = 48,394,857,014.80/252,215.19 - Step 6: Final answer
x = 191,879.23
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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.