Finding the Fourth Proportional to 202,562.01, 279,468.36 and 121,958.91
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Solution
The fourth proportional to 202,562.01, 279,468.36 and 121,958.91 is: 168,262.83
Step by Step Solution
- Step 1: Write the proportion equation
202,562.01 : 279,468.36 = 121,958.91 : x - Step 2: Convert to fraction form
202,562.01/279,468.36 = 121,958.91/x - Step 3: Cross multiply
202,562.01x = 279,468.36 × 121,958.91 - Step 4: Simplify right side
202,562.01x = 34,083,656,565.09 - Step 5: Solve for x
x = 34,083,656,565.09/202,562.01 - Step 6: Final answer
x = 168,262.83
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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.