Finding the Fourth Proportional to 252,937.68, 349,039.08 and 138,193.56
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Solution
The fourth proportional to 252,937.68, 349,039.08 and 138,193.56 is: 190,698.96
Step by Step Solution
- Step 1: Write the proportion equation
252,937.68 : 349,039.08 = 138,193.56 : x - Step 2: Convert to fraction form
252,937.68/349,039.08 = 138,193.56/x - Step 3: Cross multiply
252,937.68x = 349,039.08 × 138,193.56 - Step 4: Simplify right side
252,937.68x = 48,234,953,044.32 - Step 5: Solve for x
x = 48,234,953,044.32/252,937.68 - Step 6: Final answer
x = 190,698.96
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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.