Finding the Fourth Proportional to 356,152.08, 491,441.64 and 212,881.68
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Solution
The fourth proportional to 356,152.08, 491,441.64 and 212,881.68 is: 293,747.89
Step by Step Solution
- Step 1: Write the proportion equation
356,152.08 : 491,441.64 = 212,881.68 : x - Step 2: Convert to fraction form
356,152.08/491,441.64 = 212,881.68/x - Step 3: Cross multiply
356,152.08x = 491,441.64 × 212,881.68 - Step 4: Simplify right side
356,152.08x = 104,618,921,945.16 - Step 5: Solve for x
x = 104,618,921,945.16/356,152.08 - Step 6: Final answer
x = 293,747.89
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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.