Finding the Fourth Proportional to 202,248.24, 279,102.36 and 111,604.18
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Solution
The fourth proportional to 202,248.24, 279,102.36 and 111,604.18 is: 154,013.65
Step by Step Solution
- Step 1: Write the proportion equation
202,248.24 : 279,102.36 = 111,604.18 : x - Step 2: Convert to fraction form
202,248.24/279,102.36 = 111,604.18/x - Step 3: Cross multiply
202,248.24x = 279,102.36 × 111,604.18 - Step 4: Simplify right side
202,248.24x = 31,148,990,023.86 - Step 5: Solve for x
x = 31,148,990,023.86/202,248.24 - Step 6: Final answer
x = 154,013.65
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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.