Finding the Fourth Proportional to 162,764.40, 243,837.99 and 96,005.82
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Solution
The fourth proportional to 162,764.40, 243,837.99 and 96,005.82 is: 143,826.70
Step by Step Solution
- Step 1: Write the proportion equation
162,764.40 : 243,837.99 = 96,005.82 : x - Step 2: Convert to fraction form
162,764.40/243,837.99 = 96,005.82/x - Step 3: Cross multiply
162,764.40x = 243,837.99 × 96,005.82 - Step 4: Simplify right side
162,764.40x = 23,409,866,177.10 - Step 5: Solve for x
x = 23,409,866,177.10/162,764.40 - Step 6: Final answer
x = 143,826.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.