Finding the Fourth Proportional to 250,847.08, 346,157.90 and 143,424.14
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Solution
The fourth proportional to 250,847.08, 346,157.90 and 143,424.14 is: 197,918.99
Step by Step Solution
- Step 1: Write the proportion equation
250,847.08 : 346,157.90 = 143,424.14 : x - Step 2: Convert to fraction form
250,847.08/346,157.90 = 143,424.14/x - Step 3: Cross multiply
250,847.08x = 346,157.90 × 143,424.14 - Step 4: Simplify right side
250,847.08x = 49,647,400,929.10 - Step 5: Solve for x
x = 49,647,400,929.10/250,847.08 - Step 6: Final answer
x = 197,918.99
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1.5x scale
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.