Finding the Fourth Proportional to 393,357.68, 542,832.84 and 214,509.68
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Solution
The fourth proportional to 393,357.68, 542,832.84 and 214,509.68 is: 296,022.94
Step by Step Solution
- Step 1: Write the proportion equation
393,357.68 : 542,832.84 = 214,509.68 : x - Step 2: Convert to fraction form
393,357.68/542,832.84 = 214,509.68/x - Step 3: Cross multiply
393,357.68x = 542,832.84 × 214,509.68 - Step 4: Simplify right side
393,357.68x = 116,442,898,801.89 - Step 5: Solve for x
x = 116,442,898,801.89/393,357.68 - Step 6: Final answer
x = 296,022.94
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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.