Finding the Fourth Proportional to 252,205.36, 348,044.16 and 139,025.68
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Solution
The fourth proportional to 252,205.36, 348,044.16 and 139,025.68 is: 191,855.86
Step by Step Solution
- Step 1: Write the proportion equation
252,205.36 : 348,044.16 = 139,025.68 : x - Step 2: Convert to fraction form
252,205.36/348,044.16 = 139,025.68/x - Step 3: Cross multiply
252,205.36x = 348,044.16 × 139,025.68 - Step 4: Simplify right side
252,205.36x = 48,387,076,014.03 - Step 5: Solve for x
x = 48,387,076,014.03/252,205.36 - Step 6: Final answer
x = 191,855.86
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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.