Finding the Fourth Proportional to 251,467.68, 346,926.40 and 143,979.84
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Solution
The fourth proportional to 251,467.68, 346,926.40 and 143,979.84 is: 198,635.50
Step by Step Solution
- Step 1: Write the proportion equation
251,467.68 : 346,926.40 = 143,979.84 : x - Step 2: Convert to fraction form
251,467.68/346,926.40 = 143,979.84/x - Step 3: Cross multiply
251,467.68x = 346,926.40 × 143,979.84 - Step 4: Simplify right side
251,467.68x = 49,950,407,563.78 - Step 5: Solve for x
x = 49,950,407,563.78/251,467.68 - Step 6: Final answer
x = 198,635.50
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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.