Finding the Fourth Proportional to 250,830.68, 346,047.80 and 143,343.05
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Solution
The fourth proportional to 250,830.68, 346,047.80 and 143,343.05 is: 197,757.09
Step by Step Solution
- Step 1: Write the proportion equation
250,830.68 : 346,047.80 = 143,343.05 : x - Step 2: Convert to fraction form
250,830.68/346,047.80 = 143,343.05/x - Step 3: Cross multiply
250,830.68x = 346,047.80 × 143,343.05 - Step 4: Simplify right side
250,830.68x = 49,603,544,650.84 - Step 5: Solve for x
x = 49,603,544,650.84/250,830.68 - Step 6: Final answer
x = 197,757.09
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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.