Finding the Fourth Proportional to 638,958.08, 958,077.48 and 212,265.48
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Solution
The fourth proportional to 638,958.08, 958,077.48 and 212,265.48 is: 318,278.75
Step by Step Solution
- Step 1: Write the proportion equation
638,958.08 : 958,077.48 = 212,265.48 : x - Step 2: Convert to fraction form
638,958.08/958,077.48 = 212,265.48/x - Step 3: Cross multiply
638,958.08x = 958,077.48 × 212,265.48 - Step 4: Simplify right side
638,958.08x = 203,366,776,169.39 - Step 5: Solve for x
x = 203,366,776,169.39/638,958.08 - Step 6: Final answer
x = 318,278.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.