Finding the Fourth Proportional to 202,660.40, 279,672.47 and 110,779.82
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Solution
The fourth proportional to 202,660.40, 279,672.47 and 110,779.82 is: 152,876.76
Step by Step Solution
- Step 1: Write the proportion equation
202,660.40 : 279,672.47 = 110,779.82 : x - Step 2: Convert to fraction form
202,660.40/279,672.47 = 110,779.82/x - Step 3: Cross multiply
202,660.40x = 279,672.47 × 110,779.82 - Step 4: Simplify right side
202,660.40x = 30,982,065,885.56 - Step 5: Solve for x
x = 30,982,065,885.56/202,660.40 - Step 6: Final answer
x = 152,876.76
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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.