Finding the Fourth Proportional to 302,892.92, 417,993.84 and 173,821.12
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Solution
The fourth proportional to 302,892.92, 417,993.84 and 173,821.12 is: 239,874.07
Step by Step Solution
- Step 1: Write the proportion equation
302,892.92 : 417,993.84 = 173,821.12 : x - Step 2: Convert to fraction form
302,892.92/417,993.84 = 173,821.12/x - Step 3: Cross multiply
302,892.92x = 417,993.84 × 173,821.12 - Step 4: Simplify right side
302,892.92x = 72,656,157,421.90 - Step 5: Solve for x
x = 72,656,157,421.90/302,892.92 - Step 6: Final answer
x = 239,874.07
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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.