Finding the Fourth Proportional to 202,438.99, 279,364.16 and 111,801.07
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Solution
The fourth proportional to 202,438.99, 279,364.16 and 111,801.07 is: 154,284.56
Step by Step Solution
- Step 1: Write the proportion equation
202,438.99 : 279,364.16 = 111,801.07 : x - Step 2: Convert to fraction form
202,438.99/279,364.16 = 111,801.07/x - Step 3: Cross multiply
202,438.99x = 279,364.16 × 111,801.07 - Step 4: Simplify right side
202,438.99x = 31,233,210,051.83 - Step 5: Solve for x
x = 31,233,210,051.83/202,438.99 - Step 6: Final answer
x = 154,284.56
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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.