Finding the Fourth Proportional to 386,775.14, 533,741.28 and 214,682.96
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Solution
The fourth proportional to 386,775.14, 533,741.28 and 214,682.96 is: 296,257.81
Step by Step Solution
- Step 1: Write the proportion equation
386,775.14 : 533,741.28 = 214,682.96 : x - Step 2: Convert to fraction form
386,775.14/533,741.28 = 214,682.96/x - Step 3: Cross multiply
386,775.14x = 533,741.28 × 214,682.96 - Step 4: Simplify right side
386,775.14x = 114,585,157,864.59 - Step 5: Solve for x
x = 114,585,157,864.59/386,775.14 - Step 6: Final answer
x = 296,257.81
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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.