Finding the Fourth Proportional to 251,397.20, 377,218.68 and 118,290.68
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Solution
The fourth proportional to 251,397.20, 377,218.68 and 118,290.68 is: 177,493.84
Step by Step Solution
- Step 1: Write the proportion equation
251,397.20 : 377,218.68 = 118,290.68 : x - Step 2: Convert to fraction form
251,397.20/377,218.68 = 118,290.68/x - Step 3: Cross multiply
251,397.20x = 377,218.68 × 118,290.68 - Step 4: Simplify right side
251,397.20x = 44,621,454,165.90 - Step 5: Solve for x
x = 44,621,454,165.90/251,397.20 - Step 6: Final answer
x = 177,493.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.