Finding the Fourth Proportional to 345,118.26, 476,258.68 and 199,943.84
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Solution
The fourth proportional to 345,118.26, 476,258.68 and 199,943.84 is: 275,919.88
Step by Step Solution
- Step 1: Write the proportion equation
345,118.26 : 476,258.68 = 199,943.84 : x - Step 2: Convert to fraction form
345,118.26/476,258.68 = 199,943.84/x - Step 3: Cross multiply
345,118.26x = 476,258.68 × 199,943.84 - Step 4: Simplify right side
345,118.26x = 95,224,989,312.53 - Step 5: Solve for x
x = 95,224,989,312.53/345,118.26 - Step 6: Final answer
x = 275,919.88
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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.