Finding the Fourth Proportional to 251,218.84, 376,883.62 and 139,062.65
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Solution
The fourth proportional to 251,218.84, 376,883.62 and 139,062.65 is: 208,624.62
Step by Step Solution
- Step 1: Write the proportion equation
251,218.84 : 376,883.62 = 139,062.65 : x - Step 2: Convert to fraction form
251,218.84/376,883.62 = 139,062.65/x - Step 3: Cross multiply
251,218.84x = 376,883.62 × 139,062.65 - Step 4: Simplify right side
251,218.84x = 52,410,434,938.79 - Step 5: Solve for x
x = 52,410,434,938.79/251,218.84 - Step 6: Final answer
x = 208,624.62
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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.