Finding the Fourth Proportional to 355,889.07, 491,160.33 and 212,646.06
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Solution
The fourth proportional to 355,889.07, 491,160.33 and 212,646.06 is: 293,471.53
Step by Step Solution
- Step 1: Write the proportion equation
355,889.07 : 491,160.33 = 212,646.06 : x - Step 2: Convert to fraction form
355,889.07/491,160.33 = 212,646.06/x - Step 3: Cross multiply
355,889.07x = 491,160.33 × 212,646.06 - Step 4: Simplify right side
355,889.07x = 104,443,309,002.80 - Step 5: Solve for x
x = 104,443,309,002.80/355,889.07 - Step 6: Final answer
x = 293,471.53
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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.