Finding the Fourth Proportional to 251,052.12, 346,451.51 and 137,874.87
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Solution
The fourth proportional to 251,052.12, 346,451.51 and 137,874.87 is: 190,267.09
Step by Step Solution
- Step 1: Write the proportion equation
251,052.12 : 346,451.51 = 137,874.87 : x - Step 2: Convert to fraction form
251,052.12/346,451.51 = 137,874.87/x - Step 3: Cross multiply
251,052.12x = 346,451.51 × 137,874.87 - Step 4: Simplify right side
251,052.12x = 47,766,956,902.55 - Step 5: Solve for x
x = 47,766,956,902.55/251,052.12 - Step 6: Final answer
x = 190,267.09
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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.