Finding the Fourth Proportional to 252,216.19, 348,060.68 and 139,042.99
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Solution
The fourth proportional to 252,216.19, 348,060.68 and 139,042.99 is: 191,880.61
Step by Step Solution
- Step 1: Write the proportion equation
252,216.19 : 348,060.68 = 139,042.99 : x - Step 2: Convert to fraction form
252,216.19/348,060.68 = 139,042.99/x - Step 3: Cross multiply
252,216.19x = 348,060.68 × 139,042.99 - Step 4: Simplify right side
252,216.19x = 48,395,397,648.63 - Step 5: Solve for x
x = 48,395,397,648.63/252,216.19 - Step 6: Final answer
x = 191,880.61
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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.